Early-warning anti-falling type trachea cannula fixator

The invention relates to the technical field of medical auxiliary instruments, in particular to an early warning anti-falling type trachea cannula fixator which comprises a tooth cushion, a fixing belt used for being fixedly attached to the head of a patient, a trachea cannula used for supplying oxygen to the patient through the mouth, an early warning part used for early warning trachea cannula falling and a fixing part used for fixing the trachea cannula. A medical worker fixes the trachea cannula through the fixing part, the early warning part monitors the displacement of the trachea cannula, and when the separation distance of the trachea cannula exceeds 1 cm, a signal transmitting assembly arranged in the early warning part transmits an alarm signal to a signal receiving device of a nurse station; the warning lamp of the signal receiving device flickers, and the alarm gives out a short and rapid sound to prompt medical staff that the trachea cannula is separated, so that the working difficulty of the med