The Chinese have deep affection for their hometown since ancient times. However, the rapid
social transformation is impacting the original closed nature and stability of rural China. Increased
mobility and ease of transportation and communication are weakening the nation’s hometown ties.
Against this backdrop, Yunnan people are less likely to leave their homeland. Based on the theory of
constructive grounded, this study explores the reasons behind the behavior of Yunnan people who do
not leave their hometown to exploratory research the formation of their hometown complex. It is found
that: 1) The hometown is the emotional projection of consanguinity in the space, showing a larger spatial
flexibility, and still holding the characteristics of the local; 2) The hometown complex of Yunnan people
is a complex system that integrates emotion, knowledge and action into one, with hometown attachment
as the core, the recognition of the real advantages of the hometown as an extension, and the behavior of
staying in the province as the final manifestation.