The utility model relates to a clamp fixer of a breathing hood, which is a pipe body, comprising a hole, which is located on the pipe wall of the pipe body and penetrates one side of the pipe wall of the pipe body to the corresponding other side; a clamp end, which is located at one end of the pipe body and extends from an opening formed on the bottom surface of the pipe body to the hole to form a clamp arm; and a rope fixing end, which is located at the other end of the pipe body to fix the elastic rope.本新型呼吸罩夾固件,其為管體,包括:穿孔,位於管體的管壁上,且貫穿管體管壁的一側至相對應的另一側;夾固端,其位於管體一端,由管體的底表面形成開口延伸至該穿孔以形成夾固臂;以及繩固定端,其位於管體另一端,用以固定彈性繩。