Nasal oxygen cannula convenient to fix

The utility model relates to the field of medical equipment, in particular to a nasal oxygen cannula convenient to fix. The nasal oxygen cannula comprises a head fixing plate. The nasal oxygen cannula convenient to fix has the advantages that when the nasal oxygen cannula convenient to fix is used, the two first moving blocks are pulled at the same time, the first moving plate can be moved at the moment, and when the first moving plate moves towards the center of the head fixing plate, the effect that the connecting rope is pulled into the head fixing plate can be achieved; at the moment, the positions of two air outlet heads can be adjusted by adjusting the lengths of two connecting ropes, so that the two air outlet heads are conveniently inserted into the nostrils of the patient, after adjustment is completed, a head fixing plate is worn on the head of the patient, then two second moving blocks are pulled inwards at the same time, and then the two air outlet heads can be conveniently inserted into the nostr