Greenhouse device for potted cotton

The invention relates to a greenhouse device for potted cotton. The greenhouse device comprises a gauze element, a thin film, a greenhouse frame, a greenhouse roof, a folding and unfolding device and a sunshade net. The top end of the shed frame is detachably connected with the bottom end of the shed roof; the shed frame forms a first side surface and a second side surface; a gauze element and a thin film are detachably mounted on the first side surface; a gauze element is detachably mounted on the second side surface; a thin film is detachably mounted on the peripheral side surface of the shed roof; hooks are symmetrically installed on the two sides of the upper portion of the first side face, and the gauze element and the film on the first side face can be rolled up from bottom to top and hung on the hooks. The folding and unfolding device and the sunshade net are mounted at the top end of the shed frame; one end of the sunshade net shed frame in the length direction is fixed, and the other end of the sunsh