option = { tooltip: { trigger: 'item', //formatter: '{b}' }, series: [ { name: '中国', type: 'map', mapType: 'china', selectedMode : 'multiple', label: { normal: { show: true }, emphasis: { show: true } }, data:[ {name:'广东', value:500}, {name:'北京', value:500}, ] } ] }; myChart.setOption(option); myChart.dispatchAction( { //生效 type:'showTip', //dataIndex: 1, name: '北京', seriesIndex: 0, } );