Through the basic training and comprehensive practice, this course enables students to master the basic skills of rapid hand painting performance, and the ability to express design ideas and basic forms, structures, materials, details fast and clearly. Students can carry out the scenario expression, the process expression and the whole layout design based on design subject. The main contents of the course include orthographic sketching, Stereo sketches; Light and shade and projection expression, Consolidate color and texture expression, Context rendering.