Abstract: At present, in view of many common problems in my country's existing railways with normal speed, this article first analyzes the current situation of my country's railway transportation dispatching, and compares the existing solutions one by one, and draws the conclusion that the integrated automation technology can realize the existing line The scheme of centralized control of segments. Secondly, it briefly analyzes its functional characteristics and deployment requirements, and provides a reference for the future upgrading of existing lines, improving the level of transportation management, safety prevention and control, and intensive development of existing lines.