The development of MOOC directly promotes the reform of physical classroom teaching, and leads to the reform of teaching mode and teaching method in the direction of improving teachers' teaching quality and students' learning effect and innovation ability. In order to meet the needs of MOOC teaching reform, based on the MOOC built by ourselves and running on the MOOC platform, this paper puts forward the hybrid teaching mode reform of the core courses of an computer specialty, which combines online and offline in depth. Sort out the knowledge system of an embedded system, build MOOC and put it online on domestic well-known MOOC platform, compile supporting teaching materials, and form an organic combination of online and offline teaching resources;proposing a hybrid teaching mode of online and offline combination, which focuses on interactive classroom teaching reform. On the basis of organizing students to carry out online autonomous learning, online and offline entity classroom carries out interactive classroom teaching reform; Using intelligent teaching tools to promote students to use mobile phones to participate in classroom learning, improve the universality of interactive teaching, carry out flipped classroom teaching, and improve the depth of interactive teaching. Based on the independent construction of MOOC, the hybrid teaching is carried out, which improves the pertinence of online teaching organization. The information-based teaching and flipped classroom teaching in the physical classroom improve the students' ability to solve problems, and lay a solid foundation for the improvement of teaching quality and learning effect.