A respiratory mask includes a support frame, a mask pad, and an air duct. The support frame includes a base portion, an insert portion defining an air channel, a positioning pin having a hooked end, and two wing portions respectively disposed at lateral sides of the base portion. The mask pad has a main body, a through hole, and a face pad mounted on the main body. The main body has an open end portion abutting separably against the base portion and defining an opening for extension of the insert portion thereinto, and is clamped separably between the wing portions. The positioning pin engages removably the through hole. The air duct is connected to the support frame and communicates with the air channel.一種呼吸面罩，包含一支撐架、一軟罩墊，及一導氣管。該支撐架包括一呈中空環型的基部、一由該基部內環緣向後延伸的套設部、一設於該基部上方並由該基部向後延伸且末端呈勾狀的定位銷，及二分別設置於該基部兩側的翼部。該基部內環緣與該套設部圍繞界定一通道。該軟罩墊包括一可移除地裝設抵靠於該支撐架並具有一開口端的本體、一開設於該本體且供該定位銷穿設的穿孔，及一設置於該本體且能貼合於患者臉部的罩裙，該本體的該開口端可移除地套設於套設部，該等翼部支撐於該本體兩側，並配合該定位銷以固定該本體。該導氣管連通該通道。
