Abstract: Adobe Photoshop is a very excellent software for image processing. Its toolbox is vivid, easy to distinguish and easy to use. The brush in the toolbox can be used to draw on a computer screen. Graphics tablet is usually composed of a board and a pressure pen, which is a kind of computer input equipment. When a curve is drawn on the board with a pressure pen, then this curve appears on the computer screen. Combining Adobe Photoshop with a graphics tablet, drawing on a computer screen and drawing with a pencil has the same sensation. The pictures drawn by Adobe Photoshop and graphics tablet are colorful, easy to modify, copy, share and have high resolution. Using Adobe Photoshop and graphics tablet to draw the structure of plant slices on computer screen has many advantages. In this paper, we mainly introduce the basic skills of drawing the structure of water lettuce root using Adobe Photoshop and graphics tablet. The skill of drawing plant structure can be learned through the process of drawing root structure of water lettuce, and then you can draw colorful plant structure of other plants.

Key words: Adobe Photoshop, structural picture of plant, graphics tablet