Dry and itchy nose without nasal discharge may be caused by allergic rhinitis, dry rhinitis and so on. Allergic rhinitis is a non-infectious inflammatory disease occurring in the nasal mucosa, such as the allergic phenomenon triggered after contact with allergens such as pollen and dust mites, etc. The patient may experience symptoms such as dry nose, itchy nose, nasal congestion, and sometimes clear watery flow, but there are also some patients who show no nasal discharge. The specific pathogenesis of dry rhinitis is not clear, but it is considered to be related to human injury or nutritional deficiency factors, which often leads to symptoms such as dry and itchy nose, nasal congestion and reduced nasal secretion. Dry and itchy nose without nasal discharge, should be timely to the hospital ENT consultation, with the doctor to carry out relevant examinations, after a clear diagnosis targeted to take treatment.