Trachea humidifying oxygen delivery device

The utility model relates to a trachea humidifying oxygen delivery device which comprises an oxygen input pipe, a humidifying tank, an oxygen output pipe and an oxygen delivery cover which are sequentially connected, a heat exchange pipe is arranged between one end, far away from the humidifying tank, of the oxygen output pipe and the oxygen delivery cover, the top end of the heat exchange pipe is communicated with the oxygen delivery cover into a whole, and an inner pipe is arranged in the heat exchange pipe. The lower end of the inner pipe penetrates through the lower end face of the heat exchange pipe to be connected with one end of the oxygen output pipe, a one-way film is arranged between the outer side wall of the top end of the inner pipe and the inner side wall of the top end of the heat exchange pipe and fixedly connected with the inner pipe in a sealed mode, the circumferential edge of the one-way film abuts against the inner side wall of the heat exchange pipe, and exhaust holes are formed in the s