AutoCAD (Autodesk Computer Aided Design) is an automatic computer aided design software first developed by Autodesk Company in 1982. Used in 2D drawing, detailed drawing, document design and basic 3D design, it has become a popular drawing tool in the world. AutoCAD has a good user interface, and various operations can be performed through interactive menus or command lines. Its multi-document design environment allows non-computer professionals to learn to use it quickly. In the process of continuous practice, we can better master its various application and development skills, so as to continuously improve work efficiency. AutoCAD has wide adaptability and can run on microcomputers and workstations supported by various operating systems.