Itchy ears may indicate ear inflammation or ear skin diseases, and may also be caused by other factors such as diabetes. 1. Inflammatory diseases of the ear: Bacterial, viral and fungal infections can cause inflammatory diseases of the ear. Infections may be related to factors such as wearing headphones for a long period of time, or getting water in the ear while swimming or bathing. The more common diseases include diffuse otitis externa, otitis media, otitis externa boils, tympanitis and so on. 2. Ear skin diseases: Skin diseases caused by external stimuli or the body’s own reasons, such as ear eczema, psoriasis, urticaria, etc., can appear as itchy ears. 3. Other factors: ear wound healing period due to local tissue or blood vessel growth, can cause ear itching symptoms. Itchy skin caused by systemic diseases such as diabetes can also manifest in the ears. There are many causes of itchy ears, so it is recommended to go to the hospital to find out the cause and get timely treatment.