diff --git a/components/table/Table.tsx b/components/table/Table.tsx
index d9d9a72f8a2a..c6273fb3746c 100755
--- a/components/table/Table.tsx
+++ b/components/table/Table.tsx
@@ -97,6 +97,7 @@ export default class Table<T> extends React.Component<TableProps<T>, TableState<
     rowKey: 'key',
     showHeader: true,
     sortDirections: ['ascend', 'descend'],
+    childrenColumnName: 'children',
   };
 
   CheckboxPropsCache: {
@@ -524,7 +525,7 @@ export default class Table<T> extends React.Component<TableProps<T>, TableState<
     let selectedRowKeys = this.store.getState().selectedRowKeys.concat(defaultSelection);
     const key = this.getRecordKey(record, rowIndex);
     const { pivot } = this.state;
-    const rows = this.getFlatCurrentPageData(this.props.childrenColumnName);
+    const rows = this.getFlatCurrentPageData();
     let realIndex = rowIndex;
     if (this.props.expandedRowRender) {
       realIndex = rows.findIndex(row => this.getRecordKey(row, rowIndex) === key);
@@ -604,7 +605,7 @@ export default class Table<T> extends React.Component<TableProps<T>, TableState<
   };
 
   handleSelectRow = (selectionKey: string, index: number, onSelectFunc: SelectionItemSelectFn) => {
-    const data = this.getFlatCurrentPageData(this.props.childrenColumnName);
+    const data = this.getFlatCurrentPageData();
     const defaultSelection = this.store.getState().selectionDirty ? [] : this.getDefaultSelection();
     const selectedRowKeys = this.store.getState().selectedRowKeys.concat(defaultSelection);
     const changeableRowKeys = data
@@ -760,10 +761,10 @@ export default class Table<T> extends React.Component<TableProps<T>, TableState<
   };
 
   renderRowSelection(prefixCls: string, locale: TableLocale) {
-    const { rowSelection, childrenColumnName } = this.props;
+    const { rowSelection } = this.props;
     const columns = this.columns.concat();
     if (rowSelection) {
-      const data = this.getFlatCurrentPageData(childrenColumnName).filter((item, index) => {
+      const data = this.getFlatCurrentPageData().filter((item, index) => {
         if (rowSelection.getCheckboxProps) {
           return !this.getCheckboxPropsByItem(item, index).disabled;
         }
@@ -1066,10 +1067,12 @@ export default class Table<T> extends React.Component<TableProps<T>, TableState<
   }
 
   getFlatData() {
-    return flatArray(this.getLocalData(null, false));
+    const { childrenColumnName } = this.props;
+    return flatArray(this.getLocalData(null, false), childrenColumnName);
   }
 
-  getFlatCurrentPageData(childrenColumnName: string | undefined) {
+  getFlatCurrentPageData() {
+    const { childrenColumnName } = this.props;
     return flatArray(this.getCurrentPageData(), childrenColumnName);
   }
 
diff --git a/components/table/__tests__/Table.rowSelection.test.js b/components/table/__tests__/Table.rowSelection.test.js
index 8d777ba3ef4b..a98086d3c3fa 100644
--- a/components/table/__tests__/Table.rowSelection.test.js
+++ b/components/table/__tests__/Table.rowSelection.test.js
@@ -670,6 +670,38 @@ describe('Table.rowSelection', () => {
     expect(checkboxAll.instance().state).toEqual({ indeterminate: false, checked: true });
   });
 
+  // https://github.com/ant-design/ant-design/issues/16614
+  it('should get selectedRows correctly when set childrenColumnName', () => {
+    const onChange = jest.fn();
+    const newDatas = [
+      {
+        key: 1,
+        name: 'Jack',
+        list: [
+          {
+            key: 11,
+            name: 'John Brown',
+          },
+        ],
+      },
+    ];
+    const wrapper = mount(
+      <Table
+        columns={columns}
+        dataSource={newDatas}
+        childrenColumnName="list"
+        rowSelection={{ onChange }}
+        expandedRowKeys={[1]}
+      />,
+    );
+    const checkboxes = wrapper.find('input');
+    checkboxes.at(2).simulate('change', { target: { checked: true } });
+    expect(onChange).toHaveBeenLastCalledWith([11], [newDatas[0].list[0]]);
+    checkboxes.at(1).simulate('change', { target: { checked: true } });
+    const item0 = { ...newDatas[0], list: undefined };
+    expect(onChange).toHaveBeenLastCalledWith([11, 1], [item0, newDatas[0].list[0]]);
+  });
+
   it('clear selection className when remove `rowSelection`', () => {
     const dataSource = [{ id: 1, name: 'Hello', age: 10 }, { id: 2, name: 'World', age: 30 }];