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In view of the deficiency of the traditional agricultural monitoring system, a kind of intelligent agriculture monitoring system based on 485 bus and LabVIEW is designed in order to utilize the agricultural resources and realize intelligent agriculture efficiently. Arduino controller as the next bit machine, PC machine as the host computer, both through the RS-485 bus to achieve communication. System can on crops growth environment system of temperature and humidity, light intensity and soil humidity, CO2 concentration parameter monitoring; when the monitoring parameters overrun to automatic control equipment of automatic adjustment, so as to ensure that the crop is in a suitable environment for the growth. The system has the advantages of high cost performance, strong expansibility, and so on. It has certain value of popularization and application.