PROBLEM TO BE SOLVED: To provide a greenhouse for cultivating Shiitake mushroom enabling inexpensive establishment of the temperature and moisture environment optimal for Shiitake mushroom cultivation regardless of seasons to be reduced in running cost, thereby bing increased in yield of the Shiitake mushroom.SOLUTION: The greenhouse for cultivating Shiitake mushroom 10 comprises an inner greenhouse 11 surrounding a growth space R1, and an outer greenhouse 12 surrounding the whole of the inner greenhouse 11, and is structured as follows: a separation space R2 is formed between both of the inner and outer greenhouses 11, 12 a ground water sprinkler 40 sprinkling ground water to the outer surface of the inner greenhouse 11 is disposed inside the separation space R2 a sprinkler 41 sprinkling the ground water to the inside of the growth space R1 is disposed therein and a solar heat-absorbing material 13 is set up to the outer surface of the outer greenhouse 12 so as to be expandable.COPYRIGHT: (C)2011,JPO&INPIT【課題】シイタケ栽培に最適な温度及び湿度環境を、季節に関わらず低コストで形成することができて、ランニングコストも低く抑えることができ、シイタケの収量も大きくすることのできるシイタケ栽培ハウスを提供すること。【解決手段】シイタケ栽培ハウス10を、生育空間R1を囲む内ハウス11と、この内ハウス11全体を囲む外ハウス12とによって構成して、これらの内外両ハウス11・12間に離隔空間R2を形成し、この離隔空間R2内に、内ハウス11の外面に向けた地下水の散布を行う地下水散布機40を配置し、生育空間R1内に前記地下水の散布を行う散水器41を設置し、太陽熱吸収材13を外ハウス12の外面に展開可能に設置したこと。【選択図】図2