Abstract: With the increasing application of “Internet Plus”, especially during the epidemic prevention and control period, colleges and universities implemented large-scale online teaching to ensure that teaching and learning were not suspended. In order to ensure the quality of online teaching, it is very important to supervise online courses effectively. By analyzing the characteristics of online courses and their implementation methods, this paper summarizes the basic situation of online course teaching and sums up some problems existing in online course supervision. On this basis, relevant opinions and suggestions for online teaching supervision were put forward combined with the situation of online course supervision in recent years in order to provide reference for ensuring the effectiveness of online course supervision, improving teaching efficiency and guaranteeing teaching quality .