The present invention relates to a seal cover for mushroom cultivation, which comprises a hollow socket, a cover body and a filtering material. The hollow socket is provided with a top opening and a bottom opening opposite to the top opening, and is fitted onto a cultivation apparatus by the bottom opening. The cover body is covered on the top of the hollow socket, and is opened with a plurality of ventilating slots on the periphery, in which each ventilating slot is communicated with the top opening of the hollow socket as an air exchange channel. The filtering material is configured between the hollow socket and the cover body, and covers the top opening of the hollow socket to achieve the effects of waterproof, ventilation and ambient bacteria isolation.本發明有關於一種蕈類培養用之封蓋,包含有一中空套座、一蓋體,以及一濾材。中空套座具有一頂端開口及一相對頂端開口之底端開口,並以底端開口套設於一培養器具上,蓋體蓋設於中空套座之頂端且以其周緣開設有多數個透氣槽,各透氣槽連通中空套座之頂端開口,用以提供氣體交換的管道,濾材設於中空套座與蓋體之間,並且覆蓋住中空套座之頂端開口,用以提供防水透氣及阻隔外界細菌的效果。10‧‧‧封蓋20‧‧‧中空套座22‧‧‧本體221‧‧‧頂端開口223‧‧‧底端開口24‧‧‧第一卡接部244‧‧‧第一直伸段246‧‧‧第一凸緣28‧‧‧環狀凸肋30‧‧‧蓋體32‧‧‧環壁322‧‧‧第二橫伸段324‧‧‧第二直伸段34‧‧‧頂壁36‧‧‧連接部38‧‧‧透氣槽40‧‧‧濾材
