With the rapid development of technology, live broadcast has been widely used in teaching. However, there are many problems in the management of live classrooms. The contingency theory believes that there is no management method applicable to any environment. This paper divides the live classrooms into online live classrooms, double teacher live classrooms, and live classrooms in smart classrooms, different types of live classrooms were managed in different ways. Compared with the unified management methods, the teaching result of differentiated management is better.