diff --git a/src/plots/heatmap/adaptor.ts b/src/plots/heatmap/adaptor.ts
index 100d30dffa..59952795f2 100644
--- a/src/plots/heatmap/adaptor.ts
+++ b/src/plots/heatmap/adaptor.ts
@@ -2,17 +2,7 @@ import { get } from '@antv/util';
 import { Params } from '../../core/adaptor';
 import { deepAssign, findGeometry } from '../../utils';
 import { flow, transformLabel } from '../../utils';
-import {
-  tooltip,
-  interaction,
-  animation,
-  theme,
-  scale,
-  annotation,
-  state,
-  legend,
-  pattern,
-} from '../../adaptor/common';
+import { tooltip, interaction, animation, theme, scale, annotation, state, pattern } from '../../adaptor/common';
 import { geometry as geometryAdaptor } from '../../adaptor/geometries/base';
 import { getTooltipMapping } from '../../utils/tooltip';
 import { HeatmapOptions } from './types';
@@ -116,6 +106,34 @@ function axis(params: Params<HeatmapOptions>): Params<HeatmapOptions> {
   return params;
 }
 
+/**
+ * legend 配置
+ * @param params
+ */
+function legend(params: Params<HeatmapOptions>): Params<HeatmapOptions> {
+  const { chart, options } = params;
+  const { legend, colorField, sizeField, sizeLegend } = options;
+
+  /** legend 不为 false, 则展示图例, 优先展示 color 分类图例 */
+  const showLegend = legend !== false;
+
+  if (colorField) {
+    chart.legend(colorField, showLegend ? legend : false);
+  }
+
+  // 旧版本: 有 sizeField 就有 sizeLegend. 这里默认继承下 legend 配置
+  if (sizeField) {
+    chart.legend(sizeField, sizeLegend === undefined ? legend : sizeLegend);
+  }
+
+  /** 默认没有 sizeField，则隐藏连续图例 */
+  if (!showLegend && !sizeLegend) {
+    chart.legend(false);
+  }
+
+  return params;
+}
+
 /**
  * fixme 后续确认下，数据标签的逻辑为啥和通用的不一致
  * 数据标签
diff --git a/src/plots/heatmap/types.ts b/src/plots/heatmap/types.ts
index f4c399c616..24d680e5da 100644
--- a/src/plots/heatmap/types.ts
+++ b/src/plots/heatmap/types.ts
@@ -10,8 +10,6 @@ export interface HeatmapOptions extends Options {
   readonly yField: string;
   /** 颜色字段，可选 */
   readonly colorField?: string;
-  /** 点大小映射对应的数据字段名，可选 */
-  readonly sizeField?: string;
   /** 热力格子中的形状，可选 */
   readonly shape?: string;
   /** 热力格子中图形的尺寸比例，可选，只有当 shape 和 sizeField 至少指定一项后才生效 */
@@ -21,6 +19,12 @@ export interface HeatmapOptions extends Options {
   /** 极坐标属性 */
   readonly coordinate?: Types.CoordinateOption;
 
+  // 图例相关
+  /** 点大小映射对应的数据字段名，可选 */
+  readonly sizeField?: string;
+  /** size 对应的图例 */
+  readonly sizeLegend?: Options['legend'];
+
   // 样式相关
   /** 热力图形样式 */
   readonly heatmapStyle?: StyleAttr;