Abstract: An agricultural machinery operation information remote transmission system based on ARM was developed to solve the problems of simplifying existing remote transmission system product and data loss in the wireless network signal poor plot that cannot meet the growing demand of agricultural machinery supervision. STM32 F103 is selected as the main control chip to collect the data of the operation through the CAN bus and the image information of the operation through the RS232 serial port. The integrated SIM808 module collects the satellite positioning information and realizes the remote data transmission function. At the same time, the data supplementary transmission system and remote data transfer protocol are designed. The remote transmission system can realize the remote transmission of agricultural machinery operation data information, spatial information, and image information even when GPRS mobile wireless network signal is lost in the field. The experiment results show that the packet loss rate of wireless communication data of the remote transmission system is less than or equal to 0.2%. The success rate of supplementary data transmission is 100%. The system has full functionality, high communication reliability, and security mechanism. It is of great significance to improve the integration of agricultural equipment mechanization and informatization.