The invention discloses an ecological hydroponic control system, comprising an ecological hydroponic house, wherein the ecological hydroponic house is provided with an ecological control system, an intelligent host system, a sensor system and a planting system, wherein the intelligent host system is connected with the ecological control system, the sensor system and the planting system; and the ecological control system comprises a water supply and drainage system, a lighting system, an air-conditioning system, a ventilation system, a humidification system and an air supply system. The ecological hydroponic control system has the characteristics of high productivity and stability, controls multiple ecological environments including main environments for plant growth, such as temperature, humidity, light, oxygen, carbon dioxide, water, nutrients and the like, provides the ecological environment which is most suitable for plant growth, can shorten the cultivation period to conventional 1/2-2/3, also has a water-saving function, saves about 1/50 of water of normal open cultivation, and achieves maximized production and resource utilization.