The invention discloses a trachea puncture cannula for cervical surgery. The trachea puncture cannula for cervical surgery comprises a plastic outer tube, an air bag, an inflation port, an air source interface, an airflow detection device, a conduit, a conduit inlet device, a puncture needle and the like, wherein the conduit inlet device is an automatic rebounding and sealing device, and the conduit inlet device is automatically sealed to prevent air leakage after the puncture needle is pulled out. The trachea puncture cannula provides oxygen for patients when applied to neck surgery on vocal cords, and is inserted into the trachea through the cricothyroid membrane of the neck, the problem that in actual surgery, a trachea cannula blocks surgical spots like the laryngopharynx to increase surgical difficulty is solved, injuries of the trachea cannula to nasopharyngeal tissue of a patient are reduced, the patient can suffer from less pain, surgical difficulty is reduced for doctors, the surgical process is accelerated, and the effect is good in laryngeal surgery and cervical surgery. The air source interface is provided with a plurality of structures to realize air source access under different conditions, such as an anaesthesia machine, a breathing machine, a center air source and an air bottle type standby air source.