Level 2 - CTCS list control system is based on the rail transport information of train running speed control system, using high-speed lines and new car - land and integrated Level 2 - CTCS applicable section of speed, the ground not set by the signal, the crew by car It is based on the point of track circuit, to train operation control information transmission system of point - Level 2 - CTCS of system control center and control station and interval track circuit and send by trackside electronic control unit (LEU, active response to achieve continuous transmission of information control This topic research using the computer simulating microcomputer interlocking system monitoring station, and the relevant information chain system microcomputer control center and the data table automatically generate into This system to list the automatic control center data analysis, the DianMaHua frequency configuration chart every, data For response to the on-board equipment is ready for data Paper mainly includes introduction, basic function and the technical index system, the overall structure and the software design, computer interlocking system simulation analysis and design of monitoring, Numbers, car into information analysis and design, the response of the device Numbers information analysis and design, line speed information analysis and design, orbit segments of information analysis and design of a few parts, One of the main parts in the introduction of the system and the background of the current situation, the study shows, Then describes the system technical indicators and basic functions, And according to the technical indicators and basic functions of the system is put forward for total structure, system design and analysis of the main principle illustrated, According to the specific requirements of the system, the overall design of the system software, and finally to system interface design as necessary