diff --git a/src/components/StockChart/StockChartModal.js b/src/components/StockChart/StockChartModal.js
index 96d553fe..f4b0ca80 100644
--- a/src/components/StockChart/StockChartModal.js
+++ b/src/components/StockChart/StockChartModal.js
@@ -7,6 +7,7 @@ import dayjs from 'dayjs';
 import { stockService } from '../../services/eventService';
 import { logger } from '../../utils/logger';
 import RiskDisclaimer from '../RiskDisclaimer';
+import { RelationDescription } from '../StockRelation';
 
 const StockChartModal = ({
     isOpen,
@@ -24,27 +25,6 @@ const StockChartModal = ({
     const [chartData, setChartData] = useState(null);
     const [preloadedData, setPreloadedData] = useState({});
 
-    // 处理关联描述（兼容对象和字符串格式）- 使用 useMemo 缓存计算结果
-    const relationDesc = useMemo(() => {
-        const desc = stock?.relation_desc;
-
-        if (!desc) return null;
-
-        if (typeof desc === 'string') {
-            return desc;
-        }
-
-        if (typeof desc === 'object' && desc.data && Array.isArray(desc.data)) {
-            // 新格式：{data: [{query_part: "...", sentences: "..."}]}
-            return desc.data
-                .map(item => item.query_part || item.sentences || '')
-                .filter(s => s)
-                .join('；') || null;
-        }
-
-        return null;
-    }, [stock?.relation_desc]);
-
     // 预加载数据
     const preloadData = async (type) => {
         if (!stock || preloadedData[type]) return;
@@ -563,21 +543,7 @@ const StockChartModal = ({
                     </Box>
 
                     {/* 关联描述 */}
-                    {relationDesc && (
-                        <Box p={4} borderTop="1px solid" borderTopColor="gray.200">
-                            <Text fontSize="sm" fontWeight="bold" mb={2} color="gray.700">
-                                关联描述:
-                            </Text>
-                            <Text
-                                fontSize="sm"
-                                color="gray.600"
-                                lineHeight="1.7"
-                                whiteSpace="pre-wrap"
-                            >
-                                {relationDesc}
-                            </Text>
-                        </Box>
-                    )}
+                    <RelationDescription relationDesc={stock?.relation_desc} />
 
                     {/* 风险提示 */}
                     <Box px={4} pb={4}>
diff --git a/src/components/StockRelation/RelationDescription.tsx b/src/components/StockRelation/RelationDescription.tsx
new file mode 100644
index 00000000..10f0f35e
--- /dev/null
+++ b/src/components/StockRelation/RelationDescription.tsx
@@ -0,0 +1,121 @@
+/**
+ * 关联描述组件
+ *
+ * 用于显示股票与事件的关联描述信息
+ * 固定标题为"关联描述:"
+ * 自动处理多种数据格式（字符串、对象数组）
+ *
+ * @example
+ * ```tsx
+ * // 基础使用 - 传入原始 relation_desc 数据
+ * <RelationDescription relationDesc={stock.relation_desc} />
+ *
+ * // 自定义样式
+ * <RelationDescription
+ *   relationDesc={stock.relation_desc}
+ *   fontSize="md"
+ *   titleColor="blue.700"
+ * />
+ * ```
+ */
+
+import React, { useMemo } from 'react';
+import { Box, Text, BoxProps } from '@chakra-ui/react';
+
+/**
+ * 关联描述数据类型
+ * - 字符串格式：直接的描述文本
+ * - 对象格式：包含多个句子的数组
+ */
+export type RelationDescType =
+  | string
+  | {
+      data: Array<{
+        query_part?: string;
+        sentences?: string;
+      }>;
+    }
+  | null
+  | undefined;
+
+export interface RelationDescriptionProps {
+  /** 原始关联描述数据（支持字符串或对象格式） */
+  relationDesc: RelationDescType;
+
+  /** 字体大小，默认 'sm' */
+  fontSize?: string;
+
+  /** 标题颜色，默认 'gray.700' */
+  titleColor?: string;
+
+  /** 文本颜色，默认 'gray.600' */
+  textColor?: string;
+
+  /** 行高，默认 '1.7' */
+  lineHeight?: string;
+
+  /** 容器额外属性 */
+  containerProps?: BoxProps;
+}
+
+export const RelationDescription: React.FC<RelationDescriptionProps> = ({
+  relationDesc,
+  fontSize = 'sm',
+  titleColor = 'gray.700',
+  textColor = 'gray.600',
+  lineHeight = '1.7',
+  containerProps = {}
+}) => {
+  // 处理关联描述（兼容对象和字符串格式）
+  const processedDesc = useMemo(() => {
+    if (!relationDesc) return null;
+
+    // 字符串格式：直接返回
+    if (typeof relationDesc === 'string') {
+      return relationDesc;
+    }
+
+    // 对象格式：提取并拼接文本
+    if (typeof relationDesc === 'object' && relationDesc.data && Array.isArray(relationDesc.data)) {
+      return (
+        relationDesc.data
+          .map((item) => item.query_part || item.sentences || '')
+          .filter((s) => s)
+          .join('；') || null
+      );
+    }
+
+    return null;
+  }, [relationDesc]);
+
+  // 如果没有有效的描述内容，不渲染组件
+  if (!processedDesc) {
+    return null;
+  }
+
+  return (
+    <Box
+      p={4}
+      borderTop="1px solid"
+      borderTopColor="gray.200"
+      {...containerProps}
+    >
+      <Text
+        fontSize={fontSize}
+        fontWeight="bold"
+        mb={2}
+        color={titleColor}
+      >
+        关联描述:
+      </Text>
+      <Text
+        fontSize={fontSize}
+        color={textColor}
+        lineHeight={lineHeight}
+        whiteSpace="pre-wrap"
+      >
+        {processedDesc}
+      </Text>
+    </Box>
+  );
+};
diff --git a/src/components/StockRelation/index.ts b/src/components/StockRelation/index.ts
new file mode 100644
index 00000000..890b0970
--- /dev/null
+++ b/src/components/StockRelation/index.ts
@@ -0,0 +1,6 @@
+/**
+ * StockRelation 组件导出入口
+ */
+
+export { RelationDescription } from './RelationDescription';
+export type { RelationDescriptionProps, RelationDescType } from './RelationDescription';