Through the method of PAC analysis, this paper studies the cross-cultural adaptation of foreign students from different countries. The results show that: (1) the differences of cultural consciousness and values of foreign students from different countries have significant influence on the adaptation level of all aspects of their life in China. (2) The problem of studying in China lies in the stereotype of China, the passive adaptation to the situation in the process of studying abroad is prominent, and foreign students have more or less negative emotions.