This creation provides a kind of Inflatable earplug,Comprising: an earplug body,A hollow airway is formed in the earplug body； One air valve structure,Its one end for setting the what earplug body,The air valve structure system has a fixed sheet body and a rotation sheet body,The fixation sheet body is equipped with one first opening,The rotation sheet body is equipped with one second opening,And first opening and the hollow airway system are connected state,And the fixation sheet body and the revolving fragment system are pivotally connected with one,So that the revolving fragment physical efficiency is rotated relative to the what fixation sheet body； And an air bag,It which is provided with third opening,There is the air bag one end system of the third opening to connect with the rotation sheet body. Inflating through air bag into hollow airway can make the shape of earplug body meet the shape of ear canal to enhance sound insulation function, can also penetrate and deflate so that the sense of discomfort of wearing is eliminated for a long time, and is inflated again to completely cut off noise.本創作提供一種充氣式耳塞，其包括：一耳塞本體，該耳塞本體內形成有一中空氣道；一氣閥結構，其設於該耳塞本體之一端，該氣閥結構係具有一固定片體與一旋轉片體，該固定片體上設有一第一開口，該旋轉片體上設有一第二開口，而該第一開口和該中空氣道係為連通狀態，而該固定片體與該旋轉片體係以一樞軸連接，以使該旋轉片體能相對於該固定片體旋轉；及一氣囊，其上設有一第三開口，該氣囊具有該第三開口之一端係與該旋轉片體連接。透過氣囊向中空氣道內充氣能使耳塞本體之形狀符合耳道之形狀以增強隔音功能，也能透過放氣以使長時間配戴之不適感消除，並再次充氣以隔絕噪音。
