diff --git a/CHANGELOG.md b/CHANGELOG.md
index 23ec5f876..599e3f60e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -33,6 +33,7 @@ Please only add new entries below the [Unreleased](#unreleased---releasedate) he
 - **core**: Added `OverrideClass` to override a single class within a subtree. (#657 @M-Adoo)
 - **widgets**: Added `LinearProgress` and `SpinnerProgress` widgets along with their respective material themes. (#630 @wjian23 @M-Adoo)
 - **painter**: SVG now supports switching the default color, allowing for icon color changes. (#661 @M-Adoo)
+- **core**: Added the builtin widget of tooltips (#664 @wjian23)
 
 ### Changed
 
diff --git a/core/Cargo.toml b/core/Cargo.toml
index d306510d7..e0ba3205a 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -41,7 +41,7 @@ web-time.workspace = true
 colored.workspace = true
 paste.workspace = true
 ribir_dev_helper = {path = "../dev-helper"}
-ribir = { path = "../ribir" }
+ribir = { path = "../ribir", features = ["material", "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 d097c8fd1..fef11a257 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 {
@@ -827,6 +842,11 @@ 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();
@@ -914,6 +934,7 @@ 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 94%
rename from widgets/src/text.rs
rename to core/src/builtin_widgets/text.rs
index 2a1dafe91..deb200073 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::*, slim as ribir_slim};
   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..4d5e87273
--- /dev/null
+++ b/core/src/builtin_widgets/tooltips.rs
@@ -0,0 +1,80 @@
+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>,
+}
+
+impl Declare for Tooltips {
+  type Builder = FatObj<()>;
+  fn declarer() -> Self::Builder { FatObj::new(()) }
+}
+
+impl Tooltips {
+  fn tooltips(&self) -> &CowArc<str> { &self.tooltips }
+}
+
+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 wnd = BuildCtx::get().window();
+      let mut child = FatObj::new(child);
+
+      watch!($child.is_hover())
+      .distinct_until_changed()
+      .filter(|v| *v)
+      .subscribe(move |_| {
+        let this = this.clone_writer();
+        let overlay = Overlay::new(
+          text! {
+            text: pipe!($this.tooltips().clone()),
+            class: TOOLTIPS,
+          }, OverlayStyle {
+            auto_close_policy: AutoClosePolicy::NOT_AUTO_CLOSE,
+            mask: None,
+          });
+
+        overlay.clone().show_map(move |w: Widget| {
+          let overlay = overlay.clone();
+          watch!($child.is_hover())
+            .distinct_until_changed()
+            .filter(|v| !v)
+            .take(1)
+            .subscribe(move |_| overlay.close());
+          let mut w = FatObj::new(w);
+          let anchor_widget = w.get_global_anchor_widget().clone_writer();
+          @ $w {
+            anchor: pipe!(Anchor::left(-$w.layout_size().width / 2.)),
+            on_mounted: move|e| {
+              let wid = $child.track_id();
+              anchor_widget.bottom_align_to(wid.clone(), $child.layout_size().height, e.window());
+              anchor_widget.left_align_to(wid, $child.layout_size().width / 2., e.window());
+            }
+          }.into_widget()
+        }, wnd.clone());
+      });
+      @ { child }
+    }
+    .into_widget()
+  }
+}
diff --git a/macros/src/declare_derive.rs b/macros/src/declare_derive.rs
index 169979073..76e890d29 100644
--- a/macros/src/declare_derive.rs
+++ b/macros/src/declare_derive.rs
@@ -546,6 +546,13 @@ pub(crate) fn declare_derive(input: &mut syn::DeriveInput) -> syn::Result<TokenS
           self.fat_obj = self.fat_obj.track_id();
           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 ac10ed392..ab5fe2b7c 100644
--- a/macros/src/variable_names.rs
+++ b/macros/src/variable_names.rs
@@ -160,6 +160,8 @@ 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 5eaa3f47d..f07b2e1cf 100644
--- a/themes/material/src/classes.rs
+++ b/themes/material/src/classes.rs
@@ -5,6 +5,7 @@ mod icon_cls;
 mod progress_cls;
 mod radio_cls;
 mod scrollbar_cls;
+mod tooltips_cls;
 
 pub fn initd_classes() -> Classes {
   let mut classes = Classes::default();
@@ -14,6 +15,7 @@ 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..acdf8c03c
--- /dev/null
+++ b/themes/material/src/classes/tooltips_cls.rs
@@ -0,0 +1,52 @@
+use ribir_core::prelude::*;
+
+class_names! {
+  TOOLTIPS_BASE,
+}
+
+pub(super) fn init(classes: &mut Classes) {
+  classes.insert(TOOLTIPS_BASE, |w| {
+    fn_widget! {
+        let w = FatObj::new(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,
+          }
+        }
+    }
+    .into_widget()
+  });
+
+  classes.insert(TOOLTIPS, |w| {
+    fn_widget! {
+      let w = FatObj::new(w);
+      let mut w = @ $w {
+        class: TOOLTIPS_BASE,
+      };
+      $w.write().keep_alive = true;
+
+      let animate = part_writer!(&mut w.opacity)
+          .transition(transitions::LINEAR.of(BuildCtx::get()));
+      @ $w {
+        on_disposed: move |_| {
+          $w.write().opacity = 0.;
+          let _ = watch!($animate.is_running())
+            .distinct_until_changed()
+            .pairwise()
+            .filter(|(old, new)| *old && !*new )
+            .take(1)
+            .subscribe(move|_| {
+                $w.write().keep_alive = false;
+            });
+        }
+      }
+    }
+    .into_widget()
+  });
+}
diff --git a/widgets/src/checkbox.rs b/widgets/src/checkbox.rs
index ee4909813..b78d7e9b1 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 1ae714e2f..b090956d1 100644
--- a/widgets/src/icon.rs
+++ b/widgets/src/icon.rs
@@ -1,7 +1,5 @@
 use ribir_core::prelude::*;
 
-use crate::text::*;
-
 /// An icon widget represents an icon.
 ///
 /// It can accept either text or another widget as its child. If the child is
diff --git a/widgets/src/input.rs b/widgets/src/input.rs
index 8f830dad4..268139891 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::*,
   };
 }