Itchy ears may be caused by allergic reaction, eczema, ear inflammation and other reasons. 1. Allergic reaction: After the human body comes into contact with certain allergens, an allergic reaction occurs, which can be manifested as skin pimples, red eyes, runny eyes, sneezing and other symptoms, and can also be manifested as localized itching, such as itchy ears, itchy perioral itch, or itchy whole body. 2. Eczema: eczema in the ear can also lead to itchy ears, itching is more intense, usually accompanied by changes in the morphology of the ear skin, such as pimples, blisters, oozing and so on. 3. Ear inflammation: ear inflammation, such as otitis externa involving the root of the ear, can also appear root itch, accompanied by other symptoms such as discharge from the external auditory canal, flaking, pain, and so on, and in severe cases, even hearing loss. It may also be caused by other reasons, and it is recommended that patients go to the hospital in time for a clear diagnosis.