Interior design to learn what things?

1, basic CAD, 3DMAX and PS, the most beginning to learn CAD, civil construction knowledge to have an understanding of a variety of decorative styles to learn, plumbing and electrical wiring to master the knowledge of construction should be learned, ergonomics is also very important, the color is also important;

2, mastery of hand-drawn In the computer software 3D has not yet appeared, the early design are drawn by hand, of course, now is still just as important;

3, professional courses, principles of interior design: the concept of design, interior design concepts, interior designers classification, the process of interior design, interior design procedures and steps and other subjects.