The invention relates to a cover structure improvement of a fungus cultivation container.The system includes: a cover body,One shell,A set of units and a plurality of filter sheets,Wherein: the cover body,The upper end of the utility model is provided with an upper cover；The lower end of the cover body is provided with a set of connection areas.An internal screw tooth is arranged at the inner edge wall.And a stop end is arranged at the upper part of the group connection area.And define a ventilation area.The utility model is provided with a plurality of air vents；The shell,A pivoting area is arranged at the upper end.The pivoting area is further provided with an outer screw tooth.First stop,Attached to the upper edge of the pivot area；And a set of districts,The inner part is provided with a groove.A plurality of through holes are arranged at the bottom of the set area.The set-up unit,The lower end of the utility model is provided with a placing area；A set of opening is arranged at the upper end；And each such filter,It is located in the pivot area,When in use,The filter will not fall off and can prevent dust and water droplets from adhering.And good ventilation effect.It will not deform due to high temperature.And can recycle the repeated users after use.一種菌類栽培容器之封蓋結構改良，係包括：一蓋體、一殼體、一套設單元及複數個過濾片，其中：該蓋體，其上端處係設有一上蓋；該蓋體下端處則設有一組接區，其內緣壁處係設有一內螺牙，而該組接區內部上方處係設有一擋止端，並界定出一換氣區，其設有複數個通氣口；該殼體，其上端處係設有一樞接區，該樞接區更設有一外螺牙，一擋止端，係設於該樞接區上緣處；以及一套設區，其內部係設有一凹槽，該套設區底部係設有複數個透孔；該套設單元，其下端係設有一置放區；上端處設有一套設口；及各該過濾片，其設於該樞接區處，達到於使用時，該過濾片不會脫落而可阻擋灰塵及水滴沾附，並使其透氣效果良好，且不會因高溫而變形，並於使用完畢時可回收重複使用者。
