The most common cause of itchy nose is not caused by colds, but by frequent and repeated nose picking, which leads to erosion of the mucous membrane of the nasal vestibule. Nasal vestibular inflammation for a long time, can also lead to nasal vestibular eczema-like changes, this time the nasal itch and pain, mainly to avoid picking the nose, avoid intranasal infections as the main means of treatment. There is also a part of the most common because of allergic rhinitis caused by runny nose, nasal itching, nasal congestion and other symptoms, at this time you can consider the treatment of anti-allergy drugs, stavudine hydrochloride or olopatadine, as well as nasal spray medication Nesunna or Renoxolone, in severe cases can be coupled with the treatment of rhinitis Ning capsule.