Itchy ears can be seen in diseases such as eczema of the external auditory canal, allergic rhinitis and fungal disease of the external auditory canal. 1. Eczema of the external auditory canal: it may be related to allergic reactions, mental factors, neurological dysfunction, endocrine disorders, metabolic disorders, dyspepsia and so on, manifesting as localized itching. 2. Allergic rhinitis: allergens stimulate atopic individuals to develop allergic rhinitis, due to the continuity of the mucous membrane of the upper airway, the inflammatory reaction can cause an itchy feeling in the ear. 3. External auditory fungal disease: diabetes or work environment humidity, high temperature, in the fungal infection can easily lead to external auditory fungal disease, mainly manifested as itching in the ear, partially accompanied by ear pain. It is recommended that patients seek timely medical treatment, check the causes of itchy ears, and actively treat to avoid aggravation of the condition.