Abstract: In the design process of agricultural machinery remote monitoring system,in order to improve the efficiency of video big data processing,transmission and storage,cloud technology is introduced into the design of monitoring system,and it proposed a decentralized computing resource service system based on blockchain,so as to ensure the security and stability of data transmission.Taking the remote monitoring of planter as an example,it tested the performance of the remote monitoring system.After collecting a large number of real-time videos of agricultural machinery operation,the video query of a certain agricultural machinery operation is carried out in the cloud platform monitoring system based on blockchain.The query results show that the system can train to locate the real-time monitoring video of agricultural machinery and query the operation history according to the analysis.The query speed and accuracy are high,which can meet the design requirements of remote monitoring system.