Abstract: Utilizing CDIO engineering education system of developed country，to construct CAD education system with the purpose of improving comprehensive quality and innovation ability. Based on CDIO structure，carries out analysis；constructs CAD education system with the main modules as below: adjustment of CAD course structure, processing of teaching information logic drawing, development of basic course assistant teaching system, evaluation of information feedback，design of comprehensive practical project. Proposes the train of thought of the design, gives out the specific construction drawing and design scheme, and provides reference to CAD teaching and application.

Key words: CDIO, education system, CAD, innovation ability