Based on the modified gravity model, this paper conducts a analysis of the evolution of the spatial pattern of economic linkages in 13 prefecture-level cities in Hunan Province from 2008 to 2020, and uses the social network analysis method to further verify the conclusions. The study found that: (1) The overall level of economic connection in Hunan Province has been greatly improved, but the spatial differences in regional economic connections are obvious. The densely connected areas are mainly concentrated in the Chang-Zhu-Tan area, and there is a lack of obvious sub-center cities in the network to connect the fringe areas; (2) The structure of the economic connection network in Hunan Province tends to be balanced, and the overall network no longer relies too much on the intermediary role of Changsha and Hengyang.