As an important part of modern urban transportation, rail transit has broad market prospects and strong development trends.In my country, the national policy has given strong support to the development of the urban rail transit industry, which is of great significance to promote the urbanization process of my country and optimize the transportation structure.With the continuous acceleration of urbanization, the problem of urban traffic congestion is becoming more and more serious. With its large capacity and high efficiency, rail transit has become an effective way to solve urban traffic problems.In addition, rail transit can effectively alleviate air pollution and reduce urban road pressure, helping to achieve green travel and sustainable development.Therefore, my government regards rail transit as a key development area, increases investment and promotes industrial technological innovation to meet the people's expectations for a better life.