PROBLEM TO BE SOLVED: To provide a plastic greenhouse having a structure on which a heat insulating layer is easily formed, by setting to form a heat insulating layer through a simple structure for inserting and fixing a plastic film into/on a frame and easily replacing the film in damaged time. SOLUTION: The plastic greenhouse includes a plurality of frames for forming skeleton, and plastic films installed between the frames by using fixing means, wherein the frame is formed in a square pipe body, the frame has at least one inserting slot in lengthwise direction depending on the installing position, the plastic film is constituted to have a duplex configuration, and the fixing means is formed of a fixing device inserted and fixed inside of the frame in an interference fit through an inserting slot at both ends of the plastic film in the lengthwise direction, consequently a heat insulating layer having width corresponding to the inserting slot inside of the film is formed inside the plastic film. COPYRIGHT: (C)2013,JPO&INPIT
