As an important part of theddd national strategic emerging industry, the Internet of Things deeply integrates the new generation of the information technology, and also brings great demand for the application-oriented talents of the Internet of Things. In view of the imperfections of the Internet of Things technology in the practice of teaching reform, based on the engineering education concept of CDIO, aiming at practice & innovation, it optimizes the level of practical ability and the contents of experimental teaching around the curriculum knowledge system and the key technology of Internet of Things, so as to achieve the training goal of engineering education step by step. Finally, it summarizes the implementation effect of the open teaching mode of graduate experimental course.