Itching on the nose may be caused by nasal skin problems, such as contact dermatitis, eczema, etc.; or nasal diseases, such as allergic dermatitis and dry rhinitis. 1. Nasal skin problems: such as contact with allergenic substances such as nasal strips, can cause local allergic reactions, itching, redness and swelling; such as in cosmetics, external stimuli, etc., can cause skin erythema, pimples, papules on the basis of erythema, can be accompanied by itching. 2. Nasal diseases: such as body contact with pollen and other allergenic substances, can cause metamorphic immune response in the body, can appear nose itching, sneezing and other symptoms; chronic rhinitis caused by external environmental factors stimulation, can appear in the nose, dry, itching and other symptoms. It is recommended that people with itchy nose go to the hospital in time to clarify the cause of the disease and standardize the treatment under the guidance of the doctor.