Aiming at the traditional teaching mode of embedded system course, a mixed online and offline teaching method isproposed. The online and offline teaching mode is designed from the aspects of teaching content, teaching methods and teaching evaluation, aiming at cultivating students' practical and innovative abilities. This paper discusses on the application of online and of-fline interactive teaching method in embedded system course teaching from the aspects of online network resource design and of-fline classroom theory teaching, and analyzes the teaching effect of hybrid teaching mode.