Abstract: The continuous development of China's social economy promotes the process of urbanization in China. At the same time, the pace of new urbanization is also accelerating. Transportation construction is a very important part of urban construction, in which rail construction is the key component. Based on this, this paper explores the dynamic management technology of urban rail transit mechanical and electrical engineering construction, introduces the necessity of dynamic management technology, and expounds the role of dynamic management technology in the process of urban rail transit mechanical and electrical engineering construction.