Abstract: With analysis of greenhouse environment and control method，intelligent control system was designed，which was fitted to greenhouse in Northied China.Design structure was of distributed master-slave mode.STM32F103VCT6 was MCU core，which carried a lot of peripheral module.Mission of computer was to achieve the orders of customer and information collection，in order to realize real-time telemetry，adjustment and control.With the greenhouse environment monitoring to guarantee the growth condition of the crop，scientific，efficient and intelligent management of the greenhouse was achieved.