The common causes of itchy ears are chronic otitis externa, otitis externa eczema, fungal otitis externa, etc. Commonly used medications include antibiotic hormone ointment, boric acid solution, 10% zinc oxide ointment, and antifungal medications. 1. Chronic otitis externa: patients often feel itchy and uncomfortable, and from time to time there is secretion outflow. Treatment needs to keep the external auditory canal clean, local use of drugs to keep dry, can be combined with antibiotics and cortisone drugs, such as urea acetate deinflammatory pine ointment. 2. Eczema of the outer ear: a polymorphic dermatitis with allergic reactions caused by a variety of internal and external factors occurring in the external auditory canal. As far as possible to remove allergens, acute eczema exudate, glycerine lotion cleaning exudate and scabs, boric acid solution wet compresses; subacute exudate is not much, the local application of 2% methyl violet solution; chronic eczema local application of 10% zinc oxide ointment. 3. Fungal otitis externa: fungi invade the external auditory canal or the conditionally pathogenic fungi in the external auditory canal and multiply under suitable conditions, causing inflammatory lesions in the external auditory canal. The performance of the external auditory canal discomfort, swelling and pain or strange itching, blocked feeling. It is necessary to remove dirt from the external auditory canal, keep the external auditory canal dry, and apply local antifungal drugs, such as Dakinin ointment. Itching in the ear is recommended to go to the hospital, under the guidance of the doctor with medication. At the same time, we should pay attention to ear hygiene, eat less spicy and stimulating food, and maintain sufficient sleep.