It depends on which university it is. Different universities have different names for colleges majoring in sociology. Take several universities with strong sociological strength in China as examples:

China Renmin University: School of Society and Population

Peking University: Peking University Department of Sociology.

Nanjing University: School of Sociology, Nanjing University-Department of Sociology

Sun Yat-sen University: School of Sociology and Anthropology