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 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