A gas blowing structure, which is arranged on a mask body, comprises a ventilation seat, an engagement member and a sealing cover. The engagement member, which is engaged on one end of the ventilation seat to clamp the mask body together with the ventilation seat, comprises a mouth-plugging tube for the gas communication between the mask body, ventilation seat and the mouth-plugging tube. The sealing cover connected to the engagement member is configured to surround the mouth-plugging tube. Accordingly, a gas flow can be effectively and completely introduced into a patients body to greatly increase the survival rate of a patient.一種吹氣結構,係供裝設於一口罩體,該吹氣結構係包含有一通氣座;一套接件,是套設於該通氣座的一端並與該通氣座夾置所述口罩體,該套接件具有一插口管,氣體可連通所述口罩體、該通氣座及該插口管;以及一封氣罩,連接該套接件並圍繞該插口管配置;藉此,以有效將氣流完全導入至患者體內,以大幅提升患者之存活機率。10‧‧‧口罩體11‧‧‧外層21‧‧‧通氣座211‧‧‧通孔215‧‧‧凸環23‧‧‧套接件231‧‧‧套筒233‧‧‧插口管235‧‧‧插槽25‧‧‧封氣罩30‧‧‧帶體組31‧‧‧掛帶
