diff --git a/src/chart/custom/CustomSeries.ts b/src/chart/custom/CustomSeries.ts
index 29014e1a6a..4c3a9433fb 100644
--- a/src/chart/custom/CustomSeries.ts
+++ b/src/chart/custom/CustomSeries.ts
@@ -308,6 +308,7 @@ export interface CustomSeriesRenderItemParams {
 
     dataIndexInside: number;
     dataInsideLength: number;
+    itemPayload: Dictionary<unknown>;
 
     actionType?: string;
 }
@@ -334,6 +335,7 @@ export interface CustomSeriesOption extends
     coordinateSystem?: string | 'none';
 
     renderItem?: CustomSeriesRenderItem;
+    itemPayload?: Dictionary<unknown>;
 
     /**
      * @deprecated
diff --git a/src/chart/custom/CustomView.ts b/src/chart/custom/CustomView.ts
index ee4e244cf7..afb047da3e 100644
--- a/src/chart/custom/CustomView.ts
+++ b/src/chart/custom/CustomView.ts
@@ -100,6 +100,7 @@ import {
     stopPreviousKeyframeAnimationAndRestore
 } from '../../animation/customGraphicKeyframeAnimation';
 import type SeriesModel from '../../model/Series';
+import { getCustomSeries } from './customSeriesRegister';
 
 const EMPHASIS = 'emphasis' as const;
 const NORMAL = 'normal' as const;
@@ -591,7 +592,18 @@ function makeRenderItem(
     ecModel: GlobalModel,
     api: ExtensionAPI
 ) {
-    const renderItem = customSeries.get('renderItem');
+    let renderItem = customSeries.get('renderItem');
+    if (typeof renderItem === 'string') {
+        // Find renderItem in registered custom series
+        const registeredRenderItem = getCustomSeries(renderItem);
+        if (registeredRenderItem) {
+            renderItem = registeredRenderItem;
+        }
+        else if (__DEV__) {
+            console.warn(`Custom series renderItem '${renderItem}' not found.
+                Call 'echarts.registerCustomSeries' to register it.`);
+        }
+    }
     const coordSys = customSeries.coordinateSystem;
     let prepareResult = {} as ReturnType<PrepareCustomInfo>;
 
@@ -635,7 +647,8 @@ function makeRenderItem(
         seriesIndex: customSeries.seriesIndex,
         coordSys: prepareResult.coordSys,
         dataInsideLength: data.count(),
-        encode: wrapEncodeDef(customSeries.getData())
+        encode: wrapEncodeDef(customSeries.getData()),
+        itemPayload: customSeries.get('itemPayload') || {}
     } as CustomSeriesRenderItemParams;
 
     // If someday intending to refactor them to a class, should consider do not
diff --git a/src/chart/custom/customSeriesRegister.ts b/src/chart/custom/customSeriesRegister.ts
new file mode 100644
index 0000000000..3edfe64f2d
--- /dev/null
+++ b/src/chart/custom/customSeriesRegister.ts
@@ -0,0 +1,11 @@
+import type { CustomSeriesRenderItem } from './CustomSeries';
+
+const customRenderers: {[type: string]: CustomSeriesRenderItem} = {};
+
+export function registerCustomSeries(type: string, renderItem: CustomSeriesRenderItem): void {
+    customRenderers[type] = renderItem;
+}
+
+export function getCustomSeries(type: string): CustomSeriesRenderItem {
+    return customRenderers[type];
+}
diff --git a/src/core/echarts.ts b/src/core/echarts.ts
index 4ecb2c6534..05e37913bc 100644
--- a/src/core/echarts.ts
+++ b/src/core/echarts.ts
@@ -51,6 +51,7 @@ import ComponentModel from '../model/Component';
 import SeriesModel from '../model/Series';
 import ComponentView, {ComponentViewConstructor} from '../view/Component';
 import ChartView, {ChartViewConstructor} from '../view/Chart';
+import type {CustomSeriesRenderItem} from '../chart/custom/CustomSeries';
 import * as graphic from '../util/graphic';
 import {getECData} from '../util/innerStore';
 import {
@@ -132,6 +133,7 @@ import lifecycle, {
 import { platformApi, setPlatformAPI } from 'zrender/src/core/platform';
 import { getImpl } from './impl';
 import type geoSourceManager from '../coord/geo/geoSourceManager';
+import {registerCustomSeries as registerCustom} from '../chart/custom/customSeriesRegister';
 
 declare let global: any;
 
@@ -2893,6 +2895,10 @@ export function getCoordinateSystemDimensions(type: string): DimensionDefinition
     }
 }
 
+export function registerCustomSeries(seriesType: string, renderItem: CustomSeriesRenderItem) {
+    registerCustom(seriesType, renderItem);
+}
+
 export {registerLocale} from './locale';
 
 /**
diff --git a/src/model/Global.ts b/src/model/Global.ts
index b845d7263d..7b2e8a3396 100644
--- a/src/model/Global.ts
+++ b/src/model/Global.ts
@@ -411,7 +411,8 @@ class GlobalModel extends Model<ECUnitOption> {
                 else {
                     const isSeriesType = mainType === 'series';
                     const ComponentModelClass = (ComponentModel as ComponentModelConstructor).getClass(
-                        mainType, resultItem.keyInfo.subType,
+                        mainType,
+                        resultItem.keyInfo.subType,
                         !isSeriesType // Give a more detailed warn later if series don't exists
                     );
 
diff --git a/test/custom-register.html b/test/custom-register.html
new file mode 100644
index 0000000000..86925a6c54
--- /dev/null
+++ b/test/custom-register.html
@@ -0,0 +1,98 @@
+<!DOCTYPE html>
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+
+<html>
+    <head>
+        <meta charset="utf-8">
+        <meta name="viewport" content="width=device-width, initial-scale=1" />
+        <script src="lib/simpleRequire.js"></script>
+        <script src="lib/config.js"></script>
+        <script src="lib/jquery.min.js"></script>
+        <script src="lib/facePrint.js"></script>
+        <script src="lib/testHelper.js"></script>
+        <!-- <script src="ut/lib/canteen.js"></script> -->
+        <link rel="stylesheet" href="lib/reset.css" />
+    </head>
+    <body>
+        <style>
+        </style>
+
+
+
+        <div id="main0"></div>
+
+
+
+
+
+
+        <script>
+        require([
+            'echarts',
+            // 'map/js/china',
+            // './data/nutrients.json'
+        ], function (echarts) {
+            const renderItem = (params, api) => {
+                return {
+                    type: 'circle',
+                    shape: {
+                        cx: api.coord([api.value(0), api.value(1)])[0],
+                        cy: api.coord([api.value(0), api.value(1)])[1],
+                        r: api.value(2) * (params.itemPayload.scale || 1)
+                    },
+                    style: {
+                        fill: api.visual('color'),
+                        opacity: params.itemPayload.opacity() || 1,
+                    }
+                }
+            };
+            echarts.registerCustomSeries('bubble', renderItem);
+
+            const option = {
+                xAxis: {},
+                yAxis: {},
+                series: {
+                    type: 'custom',
+                    renderItem: 'bubble',
+                    itemPayload: {
+                        scale: 2,
+                        opacity: () => Math.random() * 0.5 + 0.5
+                    },
+                    data: [[11, 22, 20], [33, 44, 40], [18, 24, 10]]
+                }
+            };
+
+            const chart = testHelper.create(echarts, 'main0', {
+                title: [
+                    'Custom Series: bubble',
+                ],
+                option: option
+                // height: 300,
+                // buttons: [{text: 'btn-txt', onclick: function () {}}],
+                // recordCanvas: true,
+            });
+        });
+        </script>
+
+
+    </body>
+</html>
+