Premier Li Keqiang put forward the "Internet +" action plan, with the "Internet + education" and "big data + education" era, based on the Internet and BYOD (Bring Your Own Device) mobile cloud teaching methods to become modern classroom teaching reform Trends and trends. Ningxia Institute of Technology was identified as the first batch of local undergraduate colleges transition pilot schools, e-commerce professional as the autonomous region to focus on cultivating construction projects, how to expand teaching time and space, enhance teaching attraction, stimulate students to learn enthusiasm and autonomy, expand quality education Resources benefit side, become the urgent problem to be solved. This paper studies the content, methods and methods of e-commerce in the background of "Internet +" under the background of "Internet +", so as to be able to reform the problems existing in the teaching of e-commerce in colleges and universities and improve the teaching quality of e-commerce.