A kind of sterile culture box,System comprising a box body,One box cover and a ventilative ring,The lid of removable group of the box cover system closes at the box mouth of what box body,A loop shaped is formed between box cover and the box mouth position of box body and is connected to the ventilative gap inside and outside sterile culture box,In ventilative gap between the ventilative ring system filling what box body and box cover,It uses in the culture such as sterile culture box application what plant,The function of gas exchanges inside and outside box is provided,And hidden in the annular gas permeable gap being arranged between what box cover and box body by the ring system that breathes freely,Make ventilative ring be not easy what to be destroyed or shielded,And the filtering function of the intrusion such as mould or foreign matter outside it can be maintained by the exchanging gas for ring of breathing freely and obstructed.一種無菌培養盒，係包含一盒體、一盒蓋以及一透氣環圈，該盒蓋係可拆組的蓋合於盒體的盒口處，盒蓋與盒體之盒口部位之間形成一環圈狀且連通無菌培養盒內外的透氣間隙，該透氣環圈係裝填於盒體與盒蓋間之透氣間隙中，藉以在無菌培養盒應用於植物等培養時，提供盒內外氣體交換的功能，且藉由透氣環圈係隱藏設置於盒蓋與盒體間之環形透氣間隙中，使透氣環圈不易於被破壞或被遮蔽，而能維持其通過透氣環圈的交換氣體以及阻隔外部的黴菌或異物等侵入之過濾功能。
