A kind of breathing mask for conveniently tearing group open is the face for being covered on a user, a support frame and a housing comprising corresponding engagement. The support frame includes that the connector being arranged at intervals along an axis, a ring frame and two extend to the side wall of the ring frame from the connector at intervals, and the connector, ring frame and two side wall simultaneously match and define an accommodating space. The housing is accommodated in the accommodating space including one, and in be removably connected with the connector belled body, one from the belled body periphery along two side wall, and it expands and extends towards the direction of the ring frame, to clog the sizing shell being located in the accommodating space, and one extend outwardly from the sizing housing perimeter, extends out shell with paste the what user face. Thereby, the breathing mask is made to be easy to tear group cleaning and energy strong fix open.一種方便拆組的呼吸面罩，是供覆蓋在一使用者的臉部，包含相對應接合的一支撐架及一罩殼。該支撐架包括沿一軸線相間隔地設置的一連接體、一環框，及二個相間隔地自該連接體延伸至該環框的側壁，該連接體、環框與該二側壁並相配合界定出一容置空間。該罩殼包括一容置在該容置空間內，並呈可拆除地與該連接體相連接的套接體、一自該套接體周緣沿該二側壁，及朝該環框的方向擴張延伸，以填塞定位在該容置空間內的定型殼體，及一自該定型殼體周緣向外延伸，以貼覆於該使用者臉部的外擴殼體。藉此，使該呼吸面罩容易拆組清洗並能穩固定位。
