Main answer
1. Southwest University (merged by Southwest Normal University and Southwest Agricultural University in 2007) covers an area of about 9,000 mu, which is not completely counted.
It should be the largest university in China.
Followed by:
2 Civil Aviation Flight Academy of China 1 1082722 m2
3 Jiangxi Agricultural University 1 1042208 m2
4 Huazhong Agricultural University 4950327 square meters
5 South China Agricultural University 4025223 square meters
6 Tarim Agricultural University 3502760 square meters
7 Tsinghua University 3.29 million square meters.
8 Zhejiang University 3053053 square meters
9 Guangxi University 3052922 square meters
10 Inner Mongolia Agriculture and Animal Husbandry College 2814963m2