1, basic CAD, 3DMAX and PS, just started to learn CAD, know a little about civil engineering, learn various decoration styles, master water and electricity wiring, learn construction knowledge, ergonomics is also very important, and color is also very important;

2. Mastering hand-drawing is to show the CAD construction drawing with a pen. Before the emergence of computer software 3D, the early designs were all hand-painted, but they are still as important now.

3. Interior design principles of specialized courses: design concept, interior design concept, interior designer classification, interior design process, interior design procedures and steps.