You can't. According to the information of Tsinghua University Academic Affairs Office, the consequences of not attending classes are as follows:

1, may be punished. Because the university is the most important place to study, and professional study is the core task of the university, it is indispensable to study at any time.

2. Absence from class will affect the scholarship. University scholarship is a very important award, and winning a scholarship means that you have an advantage in the future employment process.