An ecological hydroponics control system includes an ecological hydroponics house, wherein: the ecological hydroponics house is provided with ecological control system, smart host system, sensing system and planting system, the smart host system is connected to the ecological control system, the sensing system and the planting system, the ecological control system includes: water supplying and draining system, lighting system, air conditioning system, ventilating system, humidifying system and gas supplying system. The present invention has characteristics of high productivity and high stability, also has ability of controlling various ecological environments including main environments of plant growing, providing ecological environment suitable for the plant growing best, the cultivation period can be shortened to ½-⅔ of the conventional cultivation period, it also has water saving function, where the water volume required will be about 1/50 of that required in the normal open-type plant culture, which obtaining the maximized productivity and resource utilization.
