The invention discloses a data transmission method of farmland production monitoring system based on the Internet of Things, which belongs to the field of agricultural Internet of Things. The agricultural Internet of Things system includes an Internet of Things perception layer, an Internet of Things network layer and an application layer. The Internet of Things perception layer transmits the received information to the application layer through the Internet of Things network layer by wired or

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... ireless network; A plurality of test instruments and equipment collect farmland crop data, and a plurality of wireless transmission modules collect farmland data and transmit them to the data management platform, which queries and calls farmland data in real time. In this design, the obtained field data can be imported into the storage location accurately and quickly, and the data of each site can be collected into a data management platform. It can monitor the equipment status and data quality in real time, reduce the workload of testers and improve the data transmission speed and quality.