Water culture system

The utility model discloses a water culture system which comprises a transparent culture canopy, a protecting system, a ventilation system, a liquid storage system, a constant-temperature system, a planting table system and a control cabinet. The protecting system is composed of a shading net and an ultraviolet lamp used for sterilization. The shading net covers the top of the culture canopy. The ultraviolet lamp is fixed above a frame of the culture canopy. The liquid storage system is formed by an underground water storage pool and a water supply pump which are arranged outside the culture canopy. The water supply pump is arranged in the water storage pool. The ventilation system is arranged on the side wall of the culture canopy. The constant-temperature system is formed by a wet curtain and a temperature inductor arranged on the wet curtain. The planting table system comprises a plurality of water storage tanks uniformly distributed in the culture canopy. The control cabinet is located on the side face of an exhaust fan. The water culture system can effectively control the temperature in the optimal environment and save labor, water and nutrient substances can be recycled, which is beneficial for environmental protection, and the safety of the vegetable quality is ensured; the water culture system is low in manufacturing cost, simple in structure, convenient to operate and easy to maintain.