Growing plants in the greenhouse have good ventilation and air permeability, which can provide a better growth environment for seedings as well. Our double-layer film greenhouse adopts a double-sided all-steel frame, which is composed of an inner and an outer frame. The flat tube greenhouse is much stronger and more durable than the normal cylinder truss structure. The middle of the arch frame is fixedly connected with a horizontal tie rod to improve the supporting performance of the shed surface. The greenhouse has a length of 80Ft and a width of 30Ft. The film on the greenhouse is clear with 90% light transmission, and it is 8Mil thick. Also, It inclouding the entire power system, cooling system.