In the context of networked education, the subjective behaviour in the field of education, the interaction between teachers and students, and the educational environment in which the subject is located have a comprehensive impact on the teaching mode of psychology in colleges and universities. The multimedia teaching environment is one of the typical environmental types. This paper investigates the current situation of college psychological teaching mode in the multimedia teaching environment from the quantitative perspective, analyzes the psychological teaching mode and classroom interactive speech behaviour in colleges and universities, and compiles the reliability and validity. The high multimedia teaching environment scale discusses the key factors affecting the teaching mode of psychology in colleges and universities from the perspective of statistics, and then puts forward some suggestions for optimizing the teaching mode of psychology in colleges and universities