A method of treating chronic recurrent polypous ethmoiditis involves removing polyps and polypous mucous membranes with nasal polyp forceps under the control of endoscopes, opening the cells of the ethmoidal labyrinth and packing the nasal cavity for a day. Vasotomy is performed varicose vessels of the nasal cavity in the area of the sphenoethmoidal recess and middle turbinate in the early postoperative period, followed by sparing packing the nasal cavity for a day