The problem of college students' mental health has become the focus of attention in the educational field. This article takes the impact of college sports dance teaching on college students' mental health as the starting point in order to improve college students' mental health. The author uses the method of literature research and experiment to analyze the influence of college sports dance teaching on college students' psychological barriers (fear, hostility, depression, anxiety), social ability and psychological literacy. Based on the educational function of college sports, this paper discusses the influence and role of college sports teaching on college students' psychological health from five aspects, starting from the standard of college students' psychological health.

In recent years, with the continuous progress of global Internet technology, the concept of "Internet plus" has penetrated into all walks of life in China, and has also had a profound impact on people's production and life. Especially in the field of education, how to use the "Internet plus" era development dividend to improve the teaching efficiency of various subjects, so as to cultivate modern high-quality talents, has become the focus of teachers and scholars. Based on the era background of "Internet plus", this paper discusses the current teaching of physical education in colleges and universities in China. Firstly, it analyzes the current situation of the development of the teaching mode under the background of "Internet plus". Colleges and universities should strengthen the reform of sports information teaching, improve the multi ideological understanding, establish and improve information resources and facilities, reasonably innovate information sports classes, attach importance to the cultivation of teachers and students' information ability, and promote the overall development of college sports as a whole.