Vertical window type ventilation top arch circular type multi-span plastic greenhouse

The utility model relates to the technical field of multi-span plastic greenhouses, in particular to a vertical window type ventilation top arch circular type multi-span plastic greenhouse which comprises a supporting frame, one side of the supporting frame is fixedly connected with frameworks, and the frameworks are distributed below the supporting frame at equal intervals. According to the utility model, the ventilation, dehumidification and cooling conditions of the plastic greenhouse with the arch-round top can be obviously improved, the achievement of green, high-quality and high-efficiency production of facility crop cultivation of the multi-span plastic greenhouse with the arch-round top is facilitated, and meanwhile, the building of the multi-span plastic greenhouse with the arch-round top can be in the south-north direction or the east-west direction; through vertical window type ventilation, the problems of cooling and moisture removal of the top arch circular type multi-span plastic greenhouse are