The present invention relates to a greenhouse management system based on power line communication. The greenhouse management system based on power line communication comprises a heater an operation time measuring unit formed to measure the operation time of the heater and deliver operation time information over power lines a sensing unit formed to obtain environment information inside a greenhouse and deliver the environment information over power lines an image obtaining unit formed to obtain image information inside and outside the greenhouse and deliver the image information over power lines a lighting unit lightening the inside of the greenhouse an environment control unit controlling the environment inside the greenhouse and a control unit collecting the operation time information, the environment information and the image information over power lines and comprising a control part formed to synthesize the operation time information, the environment information and the image information which have been collected and control the lighting unit and the environment control unit over power lines. According to the present invention, the greenhouse management system based on power line communication transmits and receives data by using a preset power line as a network and thus allows the control of various units. Therefore, there is no need to install a separate wire-wireless network, thereby reducing installation costs. In addition, environment information such as temperature, humidity, illumination, etc. on a production site is obtained in real time, and each unit is controlled when the temperature, humidity, illumination, etc. is out of a permissible range, thereby allowing a proper environment to be created. Accordingly, the greenhouse management system based on power line communication has an advantage of allowing the management of a production site even with low manpower.COPYRIGHT KIPO 2015본 발명은 전력선통신기반 시설재배 하우스 관리시스템에 관한 것으로서, 난방기와: 난방기의 가동시간을 계측하여 전력선을 통해 송출하도록