The ground-based control system is essential to ensure the safety and effectiveness of airplane precipitation enhancement operations. The command system of precipitation enhancement operations for Heilongjiang Province is developed. The system uses the experiences of other provincial precipitation enhancement command systems for reference, emphasizing the application of automatic generation and output of operation plans, and satellite cloud picture data embedded in the GIS ing plan and flight route according to the changes of use, the system has proved practical and reliable. Doppler radar. The decision-making subsystem realized the and the communication subsystem uses the real-time radar system to track the seeding plane. It can adjust the operatthe target cloud systems. Through the two-year operational