The invention, which relates to the intelligent control field of the greenhouse environment utilized by agriculture, provides an intelligent control device for a greenhouse environment. The device comprises a cell controller and a centralized monitoring system. The cell controller and the centralized monitoring system are connected together through a wireless sensor network. The cell controller is composed of a power supply module, a microcontroller, a caution module and an environment sensor, wherein the power supply module is used for power supply; and the environment sensor is connected with the microcontroller and the microcontroller is connected with the caution module. The centralized monitoring system comprises a computer, a temperature-humidity execution module, and a PC 104 module, wherein the computer is provided with controllable software; and the temperature-humidity execution module is connected with the PC 104 module and the PC 104 module is connected with the computer. According to the invention, the device has low costs and low power consumption; and the device is free of wiring and has a plug-and-play performance; meanwhile, monitoring data are timely and accurate and an intelligent degree is high; moreover, defects of large installation construction volume, long construction period and high cost and the like can be effectively overcome, wherein the defects are caused by utilization of a traditional communication mode in a traditional greenhouse monitoring system.