Beiyou e-commerce can enter the three major operators. Beijing University of Posts and Telecommunications has excellent e-commerce and can be selected as one of the three major operators. Beijing University of Posts and Telecommunications is the first post and telecommunications institution after the founding of New China. 1955 Beijing University of Posts and Telecommunications was established on the basis of two majors, namely, the Department of Telecommunications, the Department of Telephone and Telegraph Communication and Radio Communication Broadcasting of Tianjin University and the Department of Telephone and Telegraph Communication of the Department of Electrical Engineering of Chongqing University. Now it is a national key university directly under the Ministry of Education and under the key construction of the Ministry of Industry and Information Technology, and ranks among the national 2 1 1 engineering and world-class discipline construction universities.