function(){ 
var points = this.points; 
var value = this.category;     
    for(var i = 0;i < points.length;i++) {              
        if(points[i].series.visible){             
            value += '<br/>'+"<font color='"+points[i].color+"'>●</font>"+points[i].seriesName+':'+points[i].value;         
        }    
    } 
    return value; 
}

1587973849868978.frm

自定义数据提示点

function(){ 
return this.points[0].category+this.points[0].seriesName+this.points[0].value+this.points[1].category+this.points[1].seriesName+this.points[1].value;

}

样式自个解决吧