diff --git a/src/BaseSelect/index.tsx b/src/BaseSelect/index.tsx
index 2b56b4dc..8e3f36fd 100644
--- a/src/BaseSelect/index.tsx
+++ b/src/BaseSelect/index.tsx
@@ -208,6 +208,14 @@ export interface BaseSelectProps
   popupRender?: (menu: React.ReactElement) => React.ReactElement;
   popupAlign?: AlignType;
 
+  /**
+   * Get dynamic popup offset based on input element.
+   * Useful for positioning dropdown relative to cursor in multi-line textarea.
+   * @param inputElement - The input/textarea element
+   * @returns [x, y] offset array or null to use default positioning
+   */
+  getPopupOffset?: (inputElement: HTMLElement) => [number, number] | null;
+
   placement?: Placement;
   builtinPlacements?: BuildInPlacements;
   getPopupContainer?: RenderDOMFunc;
@@ -299,6 +307,7 @@ const BaseSelect = React.forwardRef<BaseSelectRef, BaseSelectProps>((props, ref)
     popupMatchSelectWidth,
     popupRender,
     popupAlign,
+    getPopupOffset,
     placement,
     builtinPlacements,
     getPopupContainer,
@@ -789,6 +798,7 @@ const BaseSelect = React.forwardRef<BaseSelectRef, BaseSelectProps>((props, ref)
       popupMatchSelectWidth={popupMatchSelectWidth}
       popupRender={popupRender}
       popupAlign={popupAlign}
+      getPopupOffset={getPopupOffset}
       placement={placement}
       builtinPlacements={builtinPlacements}
       getPopupContainer={getPopupContainer}
diff --git a/src/SelectTrigger.tsx b/src/SelectTrigger.tsx
index bbf719fa..fc10ce3b 100644
--- a/src/SelectTrigger.tsx
+++ b/src/SelectTrigger.tsx
@@ -71,6 +71,8 @@ export interface SelectTriggerProps {
   popupRender?: (menu: React.ReactElement) => React.ReactElement;
   getPopupContainer?: RenderDOMFunc;
   popupAlign: AlignType;
+  /** Get dynamic popup offset based on input element for textarea cursor positioning */
+  getPopupOffset?: (inputElement: HTMLElement) => [number, number] | null;
   empty: boolean;
 
   onPopupVisibleChange?: (visible: boolean) => void;
@@ -100,6 +102,7 @@ const SelectTrigger: React.ForwardRefRenderFunction<RefTriggerProps, SelectTrigg
     popupMatchSelectWidth,
     popupRender,
     popupAlign,
+    getPopupOffset,
     getPopupContainer,
     empty,
     onPopupVisibleChange,
@@ -122,10 +125,33 @@ const SelectTrigger: React.ForwardRefRenderFunction<RefTriggerProps, SelectTrigg
     popupNode = popupRender(popupElement);
   }
 
-  const mergedBuiltinPlacements = React.useMemo(
-    () => builtinPlacements || getBuiltInPlacements(popupMatchSelectWidth),
-    [builtinPlacements, popupMatchSelectWidth],
-  );
+  const mergedBuiltinPlacements = React.useMemo(() => {
+    const base = builtinPlacements || getBuiltInPlacements(popupMatchSelectWidth);
+
+    if (!getPopupOffset) {
+      return base;
+    }
+
+    // Apply dynamic offset to placements
+    const dynamicPlacements: Record<string, AlignType> = {};
+    Object.keys(base).forEach((key) => {
+      const placement = base[key];
+      dynamicPlacements[key] = {
+        ...placement,
+        offset: (node: HTMLElement) => {
+          // Get the offset from getPopupOffset callback
+          const customOffset = getPopupOffset(node);
+          if (customOffset) {
+            return customOffset;
+          }
+          // Default offset from base placement
+          return placement.offset as [number, number];
+        },
+      };
+    });
+
+    return dynamicPlacements;
+  }, [builtinPlacements, popupMatchSelectWidth, getPopupOffset]);
 
   // ===================== Motion ======================
   const mergedTransitionName = animation ? `${popupPrefixCls}-${animation}` : transitionName;