This is a kind of container cap for crops.The bottle cap of the container comprises: a lower cap body,A container bottle cap composed of a breathable cotton piece and an upper cap body,A breathable cotton piece is sandwiched between the lower cover body and the upper cover body.The lower cover body has a plurality of card making parts and a plurality of ventilating perforations.The upper cover body is provided with a plurality of snap parts and a plurality of air intake parts.After the plurality of snap parts of the lower cover body and the plurality of snap parts of the upper cover body are mutually stuck, a breathable cotton piece is clamped.And a vent connected with the container of crops is formed by the plurality of air permeability perforations of the lower cover body and the plurality of air inlet parts of the upper cover body.The utility model has the advantages of easy assembly and effective control of air flow and preventing foreign bacteria from entering the container of the crop.And can be reused with practical and economic value.本創作一種農作物之容器瓶蓋，該容器瓶蓋包含：一下蓋體、一透氣棉件及一上蓋體所組成之容器瓶蓋，其該下蓋體及該上蓋體之間夾設透氣棉件，該下蓋體具有複數卡制部及複數透氣穿孔，該上蓋體具複數卡扣部及複數進氣部，該下蓋體的複數卡制部配合該上蓋體的複數卡扣部相互卡制後夾設一透氣棉件，並藉由下蓋體的複數透氣穿孔及該上蓋體複數進氣部相互連通形成一與農作物之容器內連通的通氣口，藉由上述結構組合達到組裝容易且以有效控制空氣流量並阻止外界雜菌進入到該農作物之容器內，與可重覆使用具實用及經濟價值。
