Itchy external auricle is a common symptom of contact dermatitis, auricular eczema, fungal dermatitis and other diseases, which can appear in the early stage of the disease or occur gradually, and you can’t tell which disease is an early symptom by this symptom. 1. Contact dermatitis: For example, the skin of the auricle comes into contact with metal, rubber and other conditions. After contact with allergens or irritants, the skin is prone to redness, swelling and itching. 2. Auricular eczema: it may be related to immunity, mental stress, etc., causing localized skin itching, pimples and other symptoms. 3. Fungal otitis externa: if the patient often pulls out the ear, etc., causing infection of the external auditory canal, the pathogenic bacteria spread to the auricle, and the symptoms of itching will also appear. External auricle itching can also be seen in other reasons, it is recommended to consult a doctor in a timely manner, follow the doctor’s instructions for relevant examinations, to clarify the cause, and targeted treatment or treatment.