The fixing belt system that this creation provides is fixed breathing mask with what in the face of what user, which includes: a top tape along center line bilateral symmetry； An at least ear Hou band respectively has a free end and a fixing end, in the symmetrical center line setting what top tape of ear Hou band, and with the fixed what top tape in the free end； And an occipitalia band, corresponding what top tape, and fixed with the ear Hou with its fixing end； Wherein, the distance between the top tape and the occipitalia band be by the ear Hou with length and adjust.本創作所提供之固定帶係用於將呼吸面罩固定於使用者之臉部上，該固定帶沿一中心線左右對稱，並包括：一頂部帶；至少一耳後帶，各自具有一自由端以及一固定端，該耳後帶對稱該中心線設置於該頂部帶上，並以該自由端固定於該頂部帶；以及一枕部帶，對應於該頂部帶，並與該耳後帶之該固定端固定；其中，該頂部帶與該枕部帶之間的距離係藉由該耳後帶之長度而調整。
