As we all know, there was a wave of university merger in China in 1990s, which changed the relatively stable seating position among universities decades later. Some colleges and universities have made their own strength rise rapidly in a short time through "strong alliance". However, some universities have gone through a long running-in process after the merger. In a certain period of time, the ranking of schools has declined, and Tongji belongs to the latter. It is gratifying that Tongji University has always enjoyed a good reputation in the society, although its ranking has fluctuated greatly in the past ten years. At present, Tongji University's ranking among major universities in China shows signs of stabilization and recovery.