Open the form, select the data source you want to make in the Sparkline, then click Insert-mini-line chart;
Second, in the bounce out of the dialog box, the position of the location to define where you want to show the Sparkline location, and then click OK;
After three, you will see the settings displayed in the cell shows the Sparkline, in order to make the Sparkline display more intuitive, choose to switch to the Sparkline "design-first point/end point/Mark" are selected;
If you want to change the style of the Sparkline, click the Red box position shown in the image below, and choose a mini chart style that you like to change;
After the setup is complete, pull down in the lower-right corner of the Sparkline cell, and you can see that the cells are filled.