Itchy ears can be caused by eczema of the external ear canal, trauma to the ear canal, otitis externa and other causes. 1. Eczema of the external auditory canal: If frequent contact with allergic substances leads to eczema in the external auditory canal or around the ear and the auricular area, it may cause the ears to itch all the time. 2. Ear canal trauma: If the patient has too much earwax in the ear, frequent digging of the ear canal, resulting in skin trauma after repair, the symptoms of itchy ears are likely to occur. 3. Otitis externa: if the patient’s resistance has decreased, the external ear canal is susceptible to infection by bacteria, viruses and other germs, which induces otitis externa, resulting in patients with itchy ears, ear pain and other uncomfortable symptoms. Itchy ears can also be caused by fungal otitis externa and other reasons, it is recommended to consult a doctor in time to clarify the cause of treatment.