Photoshop is the basic image processing software in graphic design. Understanding the color pattern and application skills of Photoshop can not only help graphic designers improve their work efficiency, but also better show the creativity of graphic works. Therefore, this paper takes Photoshop color adjustment as the research object, introduces Photoshop color mode, and makes a simple analysis of advanced techniques of color adjustment in Photoshop from several modules, such as color order command adjustment, curve command adjustment, hue/saturation command adjustment and so on.