Erasure area calculation method and device, storage medium and display equipment

The invention discloses an erasing area calculation method and device, a storage medium and electronic equipment, and the method comprises the steps: obtaining a first width and a first height of a touch object on a display screen reported by a control chip, and a second width and a second height of the display screen; obtaining an adjustment coefficient of the whiteboard application; based on the first width, the adjustment coefficient of the whiteboard application and the second width, calculating the pixel width of the touch object in an erasure area in the whiteboard application; based on the first height, the adjustment coefficient of the whiteboard application and the second height, calculating the pixel height of the touch object in an erasure area in the whiteboard application; and obtaining the erasing area of the erasing area based on the pixel width of the erasing area and the pixel height of the erasing area. By adopting the embodiment of the invention, the accuracy of calculating the erasure area