var rate = 10; var option = { tooltip: { axisPointer: { type: 'cross' } }, xAxis: { type: 'category', data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'], axisLine: { show:true, lineStyle: { color: 'red', type: 'dashed' } }, axisTick: { show: false } }, yAxis: [ { type: 'value', position: 'left', max: function(value) { return 10; }, min: function(value) { return -10; }, axisLabel: { color: 'red', inside: true }, axisTick: { show: false } }, { type: 'value', position: 'right', max: function(value) { return rate; }, min: function(value) { return -rate; }, axisLabel: { formatter: function(value) { // return (value * 0.3) + '%' return value + ' %' }, inside: true }, axisTick: { show: false } } ], series: [{ data: [5, 1, 2, 4, 7, 8, 2], type: 'line' }] };