PROBLEM TO BE SOLVED: To provide a greenhouse stretch film and a method of producing greenhouse stretch film.SOLUTION: A green house stretch film comprises: a double film body 21 in which the four sides of films of the same square shape are aligned and stacked, the edges of one of the sides are made continuous with each other to form a folded back portion 29 and the folded back portion 29 is arranged along a ridge pipe 15 of the house; a drip proof layer 23 provided on a surface excluding the inner surface of the stacked double film body 21; a marker 25 separated from the folded portion 29 by a fixed distance, formed in the double film body 21 parallel to the folded portion 29 and having a constant width in the separation direction.SELECTED DRAWING: Figure 1【課題】ハウス展張用フィルム及びハウス展張用フィルムの製造方法を提供する。【解決手段】ハウス展張用フィルムにおいて、同一方形状のフィルムが4辺を一致させて重ね合わされて、その内の一つの辺の端縁同士が連続していて折り返し部29となり折り返し部29がハウスの棟パイプ15に沿って配置される二重フィルム体21と、二重フィルム体21の重ね合わせた内面を除く表面に設けられた防滴層23と、折り返し部29から一定距離だけ離間して折り返し部29と平行に二重フィルム体21に形成され離間方向に一定幅を有する目印25と、を設けた。【選択図】 図1