There are different ways to get it. Because there are different ways to get the summer vacation time of Tongji University online, some are obtained through grapevine and some are obtained from official website of Tongji University, so the time mentioned is different, and the summer vacation time obtained by official website shall prevail. Tongji University, referred to as Tongji for short, is located in Shanghai. It is a university directly under the Ministry of Education and jointly established by the Ministry of Education and the Shanghai Municipal People's Government. It is a key construction university in the "985 Project" and "21/Project".