Itchy ears may be related to mosquito bites, eczema, contact dermatitis and other causes. 1. Mosquito bites: mosquitoes bite the skin around the ear, causing an allergic reaction to the body, which can lead to itchy symptoms. 2. Eczema: the role of internal and external factors, such as emotional stress, external stimuli, causing inflammatory reactions around the ears, which can be manifested as itching and rashes. 3. Contact dermatitis: If the skin around the ears is exposed to allergenic substances such as hair dyes, it can lead to abnormal immune response and itchy skin. It is recommended that people with itchy ears go to the hospital in a timely manner to clarify the cause of the disease and standardize the treatment under the guidance of the doctor in order to avoid delaying the condition.