The present invention provides a filter cover and a method for manufacturing a mushroom space bag using the filter cover, wherein the filter cover comprises: a filter mat having air permeability； and a cover body having an upper surface and a cover extending from the upper surface The inner ring side wall and an outer ring side wall extending from the upper surface, wherein the upper surface and the outer ring side wall define an internal space, the inner ring side wall forms a partition with a through hole, and the inner ring side wall The inside is divided into a first space and a second space, and the first space and the second space can be used for accommodating the filter mat.本發明提供一種過濾蓋及使用該過濾蓋之菇類太空包製造方法，其中該過濾蓋包含：一過濾墊，具有透氣性；以及，一蓋體，具有一上表面、一自該上表面延伸之內環側壁以及一自該上表面延伸之外環側壁，其中，該上表面與該外環側壁界定一內部空間，該內環側壁形成一具有通孔之隔板，將該內環側壁之內區分一第一空間與一第二空間，該第一空間與該第二空間可用以收容該過濾墊。
