PROBLEM TO BE SOLVED: To effectively utilize a material, which was scrapped so far and to reduce the manufacture cost of a plastic greenhouse by adopting a material, which has been inconvenienced so far in disposal, as the constituent material of the plastic greenhouse.SOLUTION: A plastic greenhouse 100 includes a skeleton section 40 where a plurality of curved arch material 10 each in the shape of an arch are elected at specified intervals, a beam member 20 which is arranged to cross each arch material 10 so that it may support each arch material 10 in the top position of each arch material 10, props 30 which are arranged in plural numbers at specified intervals in the longitudinal direction of the beam member 20 to support each arch material 10 and the beam member 20, and a cover 50 which covers the outer surface of the skeleton section 40. A bamboo material is used as each arch material 10.
