1. Open the Excel table to select the cells you want to insert a mini chart, and then click on the toolbar "insert" → "sparkline" we can insert a line chart, a rectangular chart or a deficit plot according to our own needs.
2. Select the data range of the Sparkline and the placement of the Sparkline, if you have already selected the cell, you do not need to adjust the placement position.
3. At this point we can see the line chart drawn in the cell or the rectangular chart.