Tongji University's double degree is optional according to major and minor. In addition, communication is a double degree, that is, the Sino-French class (majoring in economics and telecommunications), the Sino-Italian class (majoring in telecommunications and machinery) and the Sino-German Engineering College are all double degrees of cooperative training programs.

A double degree usually refers to a double bachelor's degree, which means that on the basis of obtaining the first bachelor's degree, you study another subject full-time, and after meeting the requirements set by a university, you are awarded a second bachelor's degree.