Abstract:Taoism Zhenwu culture has a long history, and its evolution is closely related to social development and the change of dynasties. Due to the particularity and importance of Yu County in its historical process and geographical location, especially since the Ming Dynasty, wars and chaos frequently occurred in Yu County. The official led the construction of fortresses to defend the enemy. This coincided with the fact that the imperial court and Taoism vigorously promoted the belief in Zhenwu, which was effective, and a large number of Zhenwu buildings were built in Yu County. The article explores the reasons and background for the spread and development of Zhenwu culture in Yu County, makes a general survey of Zhenwu buildings through inspection and sorting in Yu County, and analyzes the actual measurement of the representative Zhenwu Temple to sort out the characteristics and internal reasons of Zhenwu buildings in Yu County in terms of site selection, layout, shape and architectural decoration, This paper comprehensively summarizes the historical development context and performance characteristics of Zhenwu culture in Yu county area.