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Focused on the problems of low function integration, incomplete detection parameters and limited transmission distance of tractor detection system，a wireless detection system for tractor field operation parameters was developed. The system was composed of three parts: sensors, data acquisition instrument and PC monitoring software platform. It can realize the collection, wireless transmission and storage of various parameters such as PTO torque, PTO speed, fuel consumption, engine speed, suspension lifting force, force position adjustment, loading force, loading angle, driving speed, wheel speed, and traction force and so on. When the system was in working condition, the vehicle-mounted detector in the data acquisition instrument sent the collected sensor data to the wireless data receiver, and the wireless data receiver transmitted the data to the software monitoring platform through the serial port to realize real-time monitoring and processing of various test parameters. So as to verify the feasibility and stability of the detection system, the acquisition channel of the system was measured. The results showed that the maximum absolute error of the analog signal channel was 0.003V, the maximum reference error was 0.03%, and the maximum absolute error of the frequency signal channel detection was 2Hz, the maximum reference error was 0.013%. Therefore, the system can meet the requirements for collecting tractor operating parameters. Based on that, the data acquisition test of the PTO torque parameters and the tractor’s no-load driving speed was carried out, and the results showed that the detection system had the ability to achieve stable acquisition of torque parameters and wireless transmission of data;when the tractor was driving at a constant speed of 5km/h, 8km/h and 14km/h respectively, the tractor wheel speed was basically the same as the actual driving speed, and the maximum relative errors were 2.0%, 1.2% and 0.7% respectively. This system satisfied the requirements of wireless detection for tractor working performance parameters, with stable collection process and high accuracy, providing an effective means for the wireless collection of tractor multi-operation parameters.