PROBLEM TO BE SOLVED: To provide Ophiocordyceps sinensis fruit bodies with a high quality and to provide functional foods containing the same.SOLUTION: An artificial cultivation method of Ophiocordyceps sinensis fruit bodies comprises providing a culture medium using a silk thread fibroin membrane as a host substitute, in which a culture solution is put so as to some of the membrane is exposed to the air inoculating a portion of the silk fibroin membrane exposed in the air of the medium with Cordyceps sinensis inoculum and culturing the Ophiocordyceps sinensis inoculum to allow Ophiocordyceps sinensis fruit bodies to be formed.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】高品質の冬虫夏草子実体及びそれを含む機能性食品を提供する。【解決手段】冬虫夏草子実体の人工栽培方法であって、宿主代替物として絹糸フィブロイン膜を用い、当該膜の一部が空気中に露出するように培養液を入れた培地を準備する工程、前記培地の絹糸フィブロイン膜の前記空気中に露出した部分に冬虫夏草の種菌を接種する工程、及び前記冬虫夏草の種菌を培養して冬虫夏草の子実体を形成させる工程を含む冬虫夏草子実体の人工栽培方法。【選択図】なし