The Advanced Surface Movement Guidance and Control System (A-SMGCS) fuses and processes the data of various surveillance sensors to realize the surveillance of aircraft and vehicles on the airport surface, which can effectively improve the operational efficiency and safety level of the airport surface. The advantages and disadvantages of the existing airport surface surveillance technology are deeply analyzed, the key technology of A-SMGCS is expounded in detail. Finally, the application of A-SMGCS in Chongqing airport is introduced, which can provide reference for the promotion and application of A-SMGCS in other airports.