CAD refers to the use of computers and their graphic devices to help designers with their design work. In design, computers are usually used to calculate, analyze and compare many different schemes to determine the best scheme; Designers usually start with sketches, and the heavy work of turning sketches into working drawings can be handed over to computers. The design results automatically generated by computer can quickly make graphics, which is convenient for designers to judge and modify the design in time; Computers can be used to process graphic data related to editing, enlarging, reducing, translating, copying and rotating graphics.

3D Studio MAX, usually referred to as 3Ds Max or MAX for short, is a 3D animation rendering and production software based on PC system developed by Discreet Company. Its predecessor is 3D Studio series software based on DOS operating system.

From the perspective of application, it is widely used in advertising, film and television, industrial design, architectural design, three-dimensional animation, multimedia production, games, auxiliary teaching, engineering visualization and other fields.