diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2146d3125..170f87be7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,6 +29,7 @@ Please only add new entries below the [Unreleased](#unreleased---releasedate) he
 
 - **core**: Enhanced support for built-in fields such as `font_size`, `font_face`, `letter_spacing`, `text_line_height`, and `text_overflow` through `TextStyleWidget`. (#668 @M-Adoo)
 - **widgets**: Icon size should be maintained even if its container is not sufficiently large. (#668 @M-Adoo)
+- **core**: Added the builtin widget of tooltips (#pr @wjian23)
 
 ### Changed
 
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 60a73bedd..2d2992be0 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -41,7 +41,8 @@ web-time.workspace = true
 colored.workspace = true
 paste.workspace = true
 ribir_dev_helper = {path = "../dev-helper"}
-ribir = { path = "../ribir" }
+ribir = { path = "../ribir", features = ["material"] }
+ribir_slim = { path = "../themes/ribir_slim" }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dev-dependencies]
 tokio = { workspace = true, features = ["full"]}
diff --git a/core/src/builtin_widgets.rs b/core/src/builtin_widgets.rs
index 07e1d1392..5f8c3c9d4 100644
--- a/core/src/builtin_widgets.rs
+++ b/core/src/builtin_widgets.rs
@@ -75,6 +75,10 @@ pub use smooth_layout::*;
 
 mod track_widget_id;
 pub use track_widget_id::*;
+mod text;
+pub use text::*;
+mod tooltips;
+pub use tooltips::*;
 
 use crate::prelude::*;
 
@@ -131,6 +135,7 @@ pub struct FatObj<T> {
   painting_style: Option<State<PaintingStyleWidget>>,
   text_style: Option<State<TextStyleWidget>>,
   keep_alive: Option<State<KeepAlive>>,
+  tooltips: Option<State<Tooltips>>,
   keep_alive_unsubscribe_handle: Option<Box<dyn Any>>,
 }
 
@@ -165,6 +170,7 @@ impl<T> FatObj<T> {
       text_style: self.text_style,
       visibility: self.visibility,
       opacity: self.opacity,
+      tooltips: self.tooltips,
       keep_alive: self.keep_alive,
       keep_alive_unsubscribe_handle: self.keep_alive_unsubscribe_handle,
     }
@@ -195,6 +201,7 @@ impl<T> FatObj<T> {
       && self.visibility.is_none()
       && self.opacity.is_none()
       && self.keep_alive.is_none()
+      && self.tooltips.is_none()
   }
 
   /// Return the host object of the FatObj.
@@ -415,6 +422,14 @@ impl<T> FatObj<T> {
       .keep_alive
       .get_or_insert_with(|| State::value(<_>::default()))
   }
+
+  /// Returns the `State<Tooltips>` widget from the FatObj. If it doesn't
+  /// exist, a new one is created.
+  pub fn get_tooltips_widget(&mut self) -> &State<Tooltips> {
+    self
+      .tooltips
+      .get_or_insert_with(|| State::value(<_>::default()))
+  }
 }
 
 macro_rules! on_mixin {
@@ -857,6 +872,11 @@ impl<T> FatObj<T> {
     self.declare_builtin_init(v, Self::get_opacity_widget, |m, v| m.opacity = v)
   }
 
+  /// Initializes the tooltips of the widget.
+  pub fn tooltips<const M: u8>(self, v: impl DeclareInto<CowArc<str>, M>) -> Self {
+    self.declare_builtin_init(v, Self::get_tooltips_widget, |m, v| m.tooltips = v)
+  }
+
   /// Initializes the `keep_alive` value of the `KeepAlive` widget.
   pub fn keep_alive<const M: u8>(mut self, v: impl DeclareInto<bool, M>) -> Self {
     let (v, o) = v.declare_into().unzip();
@@ -944,6 +964,7 @@ impl<'a> FatObj<Widget<'a>> {
           class,
           cursor,
           constrained_box,
+          tooltips,
           margin,
           transform,
           opacity,
diff --git a/widgets/src/text.rs b/core/src/builtin_widgets/text.rs
similarity index 95%
rename from widgets/src/text.rs
rename to core/src/builtin_widgets/text.rs
index 2a1dafe91..7b875917a 100644
--- a/widgets/src/text.rs
+++ b/core/src/builtin_widgets/text.rs
@@ -1,8 +1,9 @@
 use std::cell::{Ref, RefCell};
 
-use ribir_core::prelude::*;
 use typography::PlaceLineDirection;
 
+use crate::prelude::*;
+
 pub type TextInit = DeclareInit<CowArc<str>>;
 /// The text widget display text with a single style.
 #[derive(Declare)]
@@ -91,19 +92,17 @@ define_text_with_theme_style!(H4, title_large);
 define_text_with_theme_style!(H5, title_medium);
 define_text_with_theme_style!(H6, title_small);
 
-#[cfg(test)]
+#[cfg(all(test, not(target_arch = "wasm32")))]
 mod tests {
-  use ribir_core::test_helper::*;
+  use ribir::{core::test_helper::*, material as ribir_material, prelude::*};
   use ribir_dev_helper::*;
 
-  use super::*;
-  use crate::layout::SizedBox;
   const WND_SIZE: Size = Size::new(164., 64.);
 
   widget_test_suit!(
     text_clip,
     WidgetTester::new(fn_widget! {
-      @SizedBox {
+      @ MockBox {
         size: Size::new(50., 45.),
         @Text {
           text: "hello world,\rnice to meet you.",
diff --git a/core/src/builtin_widgets/tooltips.rs b/core/src/builtin_widgets/tooltips.rs
new file mode 100644
index 000000000..0b77a9f79
--- /dev/null
+++ b/core/src/builtin_widgets/tooltips.rs
@@ -0,0 +1,105 @@
+use std::cell::RefCell;
+
+use crate::prelude::*;
+
+class_names! {
+  #[doc = "Class name for the tooltips"]
+  TOOLTIPS,
+}
+/// Add attributes of tooltips to Widget Declarer.
+///
+/// ### Example:
+/// ```no_run
+/// use ribir::prelude::*;
+///
+/// let w = fn_widget! {
+///   @FilledButton{
+///     text: "hover to show tooltips!",
+///     tooltips: "this is tooltips",
+///   }
+/// };
+/// App::run(w);
+/// ```
+#[derive(Default)]
+pub struct Tooltips {
+  pub tooltips: CowArc<str>,
+
+  overlay: RefCell<Option<Overlay>>,
+}
+
+impl Declare for Tooltips {
+  type Builder = FatObj<()>;
+  fn declarer() -> Self::Builder { FatObj::new(()) }
+}
+
+impl Tooltips {
+  fn tooltips(&self) -> &CowArc<str> { &self.tooltips }
+
+  pub fn show(&self, wnd: Sc<Window>) {
+    if let Some(overlay) = self.overlay.borrow().clone() {
+      if !overlay.is_showing() {
+        overlay.show(wnd);
+      }
+    }
+  }
+
+  pub fn hidden(&self) {
+    if let Some(overlay) = self.overlay.borrow().clone() {
+      if overlay.is_showing() {
+        overlay.close();
+      }
+    }
+  }
+}
+
+impl<'c> ComposeChild<'c> for Tooltips {
+  type Child = Widget<'c>;
+  fn compose_child(this: impl StateWriter<Value = Self>, child: Self::Child) -> Widget<'c> {
+    fn_widget! {
+      let mut child = FatObj::new(child);
+      *$this.overlay.borrow_mut() = Some(Overlay::new(
+        move || {
+          let w = @Text {
+            text: pipe!($this.tooltips().clone()),
+            class: TOOLTIPS,
+          };
+
+          @ $w {
+            global_anchor_x: pipe!(
+              GlobalAnchorX::center_align_to(
+                $child.track_id(), 0.
+              ).always_follow()
+            ),
+            global_anchor_y: pipe!(
+              GlobalAnchorY::bottom_align_to(
+                $child.track_id(), $child.layout_size().height
+              ).always_follow()
+            ),
+          }.into_widget()
+        },  OverlayStyle {
+          auto_close_policy: AutoClosePolicy::NOT_AUTO_CLOSE,
+          mask: None,
+        }
+      ));
+
+      let wnd = BuildCtx::get().window();
+      let u = watch!($child.is_hover())
+        .distinct_until_changed()
+        .subscribe(move |v| {
+          if v {
+            $this.show(wnd.clone());
+          } else {
+            $this.hidden();
+          }
+        });
+
+      @ $child {
+        on_disposed: move|_| {
+          u.unsubscribe();
+          $this.hidden();
+        },
+      }
+    }
+    .into_widget()
+  }
+}
diff --git a/core/src/overlay.rs b/core/src/overlay.rs
index bcfa83dc0..07929096c 100644
--- a/core/src/overlay.rs
+++ b/core/src/overlay.rs
@@ -214,6 +214,7 @@ impl Overlay {
               }
             }
           },
+          @{ w }
         }.into_widget();
       };
       if close_policy.contains(AutoClosePolicy::ESC) {
diff --git a/macros/src/declare_derive.rs b/macros/src/declare_derive.rs
index 33a53f100..b86f92161 100644
--- a/macros/src/declare_derive.rs
+++ b/macros/src/declare_derive.rs
@@ -587,6 +587,12 @@ pub(crate) fn declare_derive(input: &mut syn::DeriveInput) -> syn::Result<TokenS
           self
         }
 
+        #[doc="Initializes the `tooltips` value of the `Tooltips` widget."]
+        #vis fn tooltips<const _M: u8>(mut self, v: impl DeclareInto<CowArc<str>, _M>) -> Self
+        {
+          self.fat_obj = self.fat_obj.tooltips(v);
+          self
+        }
       }
     }
   };
diff --git a/macros/src/variable_names.rs b/macros/src/variable_names.rs
index 298f6370b..7efc85d50 100644
--- a/macros/src/variable_names.rs
+++ b/macros/src/variable_names.rs
@@ -166,6 +166,8 @@ pub static BUILTIN_INFOS: phf::Map<&'static str, BuiltinMember> = phf_map! {
   "opacity" => builtin_member!{"Opacity", Field, "opacity"},
   // KeepAlive
   "keep_alive" => builtin_member!{"KeepAlive", Field, "keep_alive"},
+  // Tooltips
+  "tooltips" => builtin_member!{"Tooltips", Field, "tooltips"},
   // TrackWidgetId
   "track_id" => builtin_member!{"TrackWidgetId", Method, "track_id"},
 };
diff --git a/test_cases/ribir_widgets/text/tests/default_text_with_default_by_wgpu.png b/test_cases/ribir_core/builtin_widgets/text/tests/default_text_with_default_by_wgpu.png
similarity index 100%
rename from test_cases/ribir_widgets/text/tests/default_text_with_default_by_wgpu.png
rename to test_cases/ribir_core/builtin_widgets/text/tests/default_text_with_default_by_wgpu.png
diff --git a/test_cases/ribir_widgets/text/tests/default_text_with_material_by_wgpu.png b/test_cases/ribir_core/builtin_widgets/text/tests/default_text_with_material_by_wgpu.png
similarity index 100%
rename from test_cases/ribir_widgets/text/tests/default_text_with_material_by_wgpu.png
rename to test_cases/ribir_core/builtin_widgets/text/tests/default_text_with_material_by_wgpu.png
diff --git a/test_cases/ribir_widgets/text/tests/h1_with_default_by_wgpu.png b/test_cases/ribir_core/builtin_widgets/text/tests/h1_with_default_by_wgpu.png
similarity index 100%
rename from test_cases/ribir_widgets/text/tests/h1_with_default_by_wgpu.png
rename to test_cases/ribir_core/builtin_widgets/text/tests/h1_with_default_by_wgpu.png
diff --git a/test_cases/ribir_widgets/text/tests/h1_with_material_by_wgpu.png b/test_cases/ribir_core/builtin_widgets/text/tests/h1_with_material_by_wgpu.png
similarity index 100%
rename from test_cases/ribir_widgets/text/tests/h1_with_material_by_wgpu.png
rename to test_cases/ribir_core/builtin_widgets/text/tests/h1_with_material_by_wgpu.png
diff --git a/test_cases/ribir_widgets/text/tests/text_clip_with_default_by_wgpu.png b/test_cases/ribir_core/builtin_widgets/text/tests/text_clip_with_default_by_wgpu.png
similarity index 100%
rename from test_cases/ribir_widgets/text/tests/text_clip_with_default_by_wgpu.png
rename to test_cases/ribir_core/builtin_widgets/text/tests/text_clip_with_default_by_wgpu.png
diff --git a/test_cases/ribir_widgets/text/tests/text_clip_with_material_by_wgpu.png b/test_cases/ribir_core/builtin_widgets/text/tests/text_clip_with_material_by_wgpu.png
similarity index 100%
rename from test_cases/ribir_widgets/text/tests/text_clip_with_material_by_wgpu.png
rename to test_cases/ribir_core/builtin_widgets/text/tests/text_clip_with_material_by_wgpu.png
diff --git a/themes/material/src/classes.rs b/themes/material/src/classes.rs
index 7ad99fcbf..3d3f93eaf 100644
--- a/themes/material/src/classes.rs
+++ b/themes/material/src/classes.rs
@@ -4,6 +4,7 @@ mod checkbox_cls;
 mod progress_cls;
 mod radio_cls;
 mod scrollbar_cls;
+mod tooltips_cls;
 
 pub fn initd_classes() -> Classes {
   let mut classes = Classes::default();
@@ -12,6 +13,7 @@ pub fn initd_classes() -> Classes {
   radio_cls::init(&mut classes);
   progress_cls::init(&mut classes);
   checkbox_cls::init(&mut classes);
+  tooltips_cls::init(&mut classes);
 
   classes
 }
diff --git a/themes/material/src/classes/tooltips_cls.rs b/themes/material/src/classes/tooltips_cls.rs
new file mode 100644
index 000000000..f705e483f
--- /dev/null
+++ b/themes/material/src/classes/tooltips_cls.rs
@@ -0,0 +1,34 @@
+use ribir_core::prelude::*;
+
+use crate::md;
+
+pub(super) fn init(classes: &mut Classes) {
+  classes.insert(TOOLTIPS, |w| {
+    fn_widget! {
+      let w = FatObj::new(w);
+      let mut w = @BoxDecoration {
+        background: Palette::of(BuildCtx::get()).inverse_surface(),
+        margin: EdgeInsets::only_bottom(4.),
+        border_radius: Radius::all(4.),
+        @ $w {
+          margin: EdgeInsets::new(4., 8., 4., 8.),
+          foreground: Palette::of(BuildCtx::get()).inverse_on_surface(),
+          v_align: VAlign::Center,
+          h_align: HAlign::Center,
+        }
+      };
+      let animate = part_writer!(&mut w.opacity)
+        .transition(EasingTransition{
+          easing: md::easing::STANDARD_ACCELERATE,
+          duration: md::easing::duration::SHORT2
+        }.box_it());
+      @ $w {
+        keep_alive: pipe!($animate.is_running() || $w.opacity != 0.),
+        on_disposed: move |_| {
+          $w.write().opacity = 0.;
+        }
+      }
+    }
+    .into_widget()
+  });
+}
diff --git a/widgets/src/checkbox.rs b/widgets/src/checkbox.rs
index f9a2cfbad..5942c5019 100644
--- a/widgets/src/checkbox.rs
+++ b/widgets/src/checkbox.rs
@@ -3,8 +3,7 @@ use svg::named_svgs;
 
 use crate::{
   common_widget::{Leading, Trailing},
-  prelude::{Icon, Row, Text},
-  text::TextInit,
+  prelude::{Icon, Row},
 };
 
 class_names! {
diff --git a/widgets/src/icon.rs b/widgets/src/icon.rs
index f48244c26..639cb9540 100644
--- a/widgets/src/icon.rs
+++ b/widgets/src/icon.rs
@@ -2,8 +2,6 @@ use std::cell::Cell;
 
 use ribir_core::{impl_compose_child_for_wrap_render, prelude::*, wrap_render::WrapRender};
 
-use crate::text::*;
-
 /// An widget represents an icon.
 ///
 /// The icon size is determined by the text line height, so you can use
diff --git a/widgets/src/input.rs b/widgets/src/input.rs
index 59f3ae159..4d4409f1d 100644
--- a/widgets/src/input.rs
+++ b/widgets/src/input.rs
@@ -19,7 +19,6 @@ use crate::{
     text_selectable::{SelectableText, bind_point_listener, select_key_handle},
   },
   layout::{OnlySizedByParent, Stack, StackFit},
-  prelude::Text,
 };
 
 pub struct Placeholder(DeclareInit<CowArc<str>>);
diff --git a/widgets/src/layout/sized_box.rs b/widgets/src/layout/sized_box.rs
index df03c7529..c488636e3 100644
--- a/widgets/src/layout/sized_box.rs
+++ b/widgets/src/layout/sized_box.rs
@@ -28,7 +28,6 @@ mod tests {
   use ribir_dev_helper::*;
 
   use super::*;
-  use crate::prelude::*;
 
   widget_layout_test!(
     fix_size,
diff --git a/widgets/src/lib.rs b/widgets/src/lib.rs
index 3d24b758a..ab5b0f5a7 100644
--- a/widgets/src/lib.rs
+++ b/widgets/src/lib.rs
@@ -15,13 +15,13 @@ pub mod progress;
 pub mod radio;
 pub mod scrollbar;
 pub mod tabs;
-pub mod text;
 pub mod text_field;
+
 pub mod transform_box;
 pub mod prelude {
   pub use super::{
     avatar::*, buttons::*, checkbox::*, common_widget::*, divider::*, grid_view::*, icon::*,
     input::*, label::*, layout::*, link::*, lists::*, path::*, progress::*, radio::*, scrollbar::*,
-    tabs::*, text::*, text_field::*, transform_box::*,
+    tabs::*, text_field::*, transform_box::*,
   };
 }