Long-term itchy ears consider chronic tympanitis, fungal disease of the external auditory canal, diffuse otitis externa and other factors. 1. Chronic tympanitis: ear discomfort or itching, repeated pus as the main symptom, usually not accompanied by ear pain, no significant hearing loss. 2. Fungal disease of the external auditory canal: such as Aspergillus, Penicillium and Candida infections, generally manifested as itching and stuffiness in the ear, sometimes itchy, more at night, and seldom earache. 3. Diffuse otitis externa: chronic diffuse otitis externa patients feel itchy ear canal, a small amount of secretion. Long-term itchy ears may also exist for other reasons, such as symptoms of long-term non-relief is recommended to go to the otorhinolaryngology in a timely manner to improve the examination to clarify the cause of the disease, to give targeted treatment or treatment.