(The difficulty of improving PS comprehensive cases is obviously higher than that of functional proficiency. Cases are based on the comprehensive use of basic tools. Pursue rich work details and improve work quality. It now reinforces the student's proficiency in the use of basic tools and increases the efficiency of the student's skill design. The course covers matting, image editing, drawing, layout, color matching, special effects production, screen synthesis, animation production, etc., and the explanation of industry norms is more sufficient to help students realize the initial transformation from tool to tool. design.)