Introduction to Nanzhong Dominance: The exhibition is divided into four parts: the migration of the Han people to the south, the great surname of Nanzhong, the tomb of Huo Chengsi, and the decline of the great surname. It takes the cultural exchanges between Han and Yi as the main line. The purpose of selecting landmarks is It shows that Yunnan, located on the southwest border of the motherland, has been closely connected with the mainland of the Central Plains since ancient times.