Trachea cannula fixator

The utility model relates to a trachea cannula fixator. The fixator comprises a fixator body, the fixator body comprises a first semi-circular pipe sleeve and a second semi-circular pipe sleeve whichare symmetrically arranged, the first semi-circular pipe sleeve and the second semi-circular pipe sleeve are closed to form a channel for an air supply pipe insertion pipe to penetrate through, and sponge layers are arranged on the inner sides of the first semi-circular pipe sleeve and the second semi-circular pipe sleeve; one side of the first semicircular pipe sleeve and one side of the second semicircular pipe sleeve are connected through a first connecting piece, and the other sides are buckled through a second connecting piece. A first fixing band is movably arranged on the first semicircular pipe sleeve, a second fixing band is movably arranged on the second semicircular pipe sleeve, and the first fixing band and the second fixing band are fixed in a matched mode. The trachea cannulais fixed in the mode that