Frequent itching inside the ear is usually related to diseases such as external auditory canal eczema, external auditory canal fungal disease and chronic otitis externa. 1. Eczema of the external auditory canal: it is a kind of allergic inflammation of the skin that occurs in the area of the external auditory canal, mainly itchy, flaky skin, and small blisters and pimples on the surface of the skin in severe cases. 2. Fungal disease of the external auditory canal: fungal infectious disease of the external auditory canal, caused by water in the external auditory canal or accumulation of secretions, long-term use of antibiotic drops in the ear and so on. Generally, there are itchy and stuffy feeling in the ear, sometimes it is very itchy, and it is more serious at night. 3. Chronic otitis externa: diffuse inflammation of the skin and subcutaneous tissue of the external auditory canal. Chronic itchy external auditory canal, a small amount of exudate. The inside of the ear is often itchy, it is recommended that the hospital visit, diagnosis is clear and standardized treatment.