The course of college physics experiment, which is one of the key factors influencing teaching quality of the undergraduate student, has not been paid any attention in many colleges. This influences seriously the teaching quality of the course of college physics experiment. It is necessary to expound and summarize the functions and significance of the course of college physics experiment. In this paper, the functions and significance of the course of college physics experiment have been expounded and summarized from six aspects. It is hoped that can help to improving the teaching quality of the course of college physics experiment.