The constitution of undergraduates has been declining year by year, which is alarming for college PE teaching. Through questionnaires, surveys and random visits, the author of discovered that there are some problems such as weak service consciousness, negative service attitude and lack of service ability in some PE teachers in colleges and universities. There are many problems in PE teachers' service consciousness and service level. The research also puts forward the corresponding improvement measures to improve the sense of service and the level of PE teachers in colleges and universities. It aims to arouse the vigilance and attention of college PE managers and PE teachers, make concerted efforts to improve their abilities and level.