Bluetooth is one kind of short - range wireless data and voice communication technology, with being used easily, high reliability, low -cost, low -power features. It is very suitable to be used in greenhouse environment monitor. In this paper, the characteristics of Bluetooth technology is introduced, the structure of the remote control systems is analyzed based on the wireless sensor system , the project based on Bluetooth and Ethernet is presented for greenhouse remote monitor and control. Otherwise, the hardware and software structure of the wireless sensor system has been described, and th...