In order to give full play to the role of college physics experiment teaching in cultivating innovation,improving students'scientific experimental skills and scientific literacy,a heuristic teaching model for college physics experiment based on"micro classroom"was proposed.Taking the"micro class"as a platform,the teaching model of online preview before class,student-centered heuristic teaching in class,and online expansion after class was constructed.Practice has shown that this teaching model has fully mobilized students'enthusiasm and initiative in learning,effectively improved teaching quality,and gradually improved students'awareness and ability to learn independently.