Extraordinarily smelly sneezing may be caused by sinusitis, mouth odor, tonsil stones, etc. According to the cause, medication and surgery should be given as prescribed by the doctor. 1. Sinusitis: you can give saline rinse nasal cavity to clean up purulent secretions. Combined with the application of antibiotics, such as cefaclor, cefdinir, etc. to control inflammation, nasal application of nasal spray hormone, such as budesonide nasal spray, mometasone furoate nasal spray, etc. can gradually improve the symptoms, you should consult a physician to guide the use. 2. Oral odor: may be odontogenic, due to dental caries and other oral infections or periodontal disease, active treatment of dental caries and periodontal disease. 3. Tonsil stones: inorganic salt deposits in the tonsil crypts. Causes bad breath, sore throat and other discomforts, when sneezing will feel the odor. Actively perform oral rinsing, or application of cotton swabs. Suction, etc. to remove the stones, tonsil stones more or larger, feasible tonsillectomy surgery, tonsils and stones together removed. There may be other reasons, it is recommended to go to the hospital in time, consult the physician’s guidance, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.