1, the Chinese Academy of Sciences ranks high. According to the 2023 Alumni Association's ranking of China University, the University of Chinese Academy of Sciences ranked third, and Xiamen University ranked 2 1, lagging behind the University of Chinese Academy of Sciences.

2. Chinese Academy of Sciences has high gold content. Institute of Information Engineering, Chinese Academy of Sciences is a scientific research institution directly under China Academy of Sciences, with the approval number of 20 1 1. It is a state-owned institution with high gold content. The Graduate School of Xiamen University was formally established with the approval of the former State Education Commission, and its gold content is lower than that of the Institute of Information Engineering of Chinese Academy of Sciences. Therefore, graduate students of mathematics in Institute of Information Engineering, Chinese Academy of Sciences are good.