Itchy nose and sneezing may be acute rhinitis, allergic rhinitis, vasomotor rhinitis and so on. 1. Acute rhinitis: acute rhinitis is related to viral infection, which mainly manifests as dryness, itching, burning, nasal congestion, runny nose, sneezing, and may also cause loss of sense of smell; mucous nasal discharge and purulent nasal discharge may also occur when complicated by bacterial infection. 2. Allergic rhinitis: allergic rhinitis is related to pet, dust mite and other allergens stimulation, mainly manifested as nasal itching, sneezing, nasal congestion, decreased sense of smell, watery nasal discharge, etc.; it may also be accompanied by eye and throat discomfort. 3. Vasomotor rhinitis: often associated with autonomic dysfunction, adverse physical and chemical factors stimulation and other causes of disease, will also appear itchy nose sneezing symptoms, accompanied by nasal congestion, runny nose. Itchy nose sneezing should be timely medical systematic examination to determine the specific condition, and standardized treatment under the guidance of the doctor, in order to reduce the adverse effects.