Swollen ears hurt when pressed may be caused by acute otitis externa, folliculitis follicular infection, boils on the external auditory canal, otitis media and so on. 1. Acute otitis externa: due to bacterial infection of the external auditory canal, the skin of the external auditory canal is tightly adhered to the bone, and the subcutaneous tissue is small, and when inflammation occurs, the tension is relatively large, resulting in pain when the ear is swollen, and in severe cases, it will also affect the patient’s normal life. 2. Folliculitis follicular infection: ear swelling pain when pressed may be caused by follicular infection, when the ear skin follicle infection is aggravated, and several hair follicles are infected at the same time, boils will be formed, and there will be pain when pressed on the ear. 3. External auditory canal boil: cerumen gland embolism of the ear canal is a kind of folliculitis of the skin of the ear canal, which is usually related to the secondary infection, incorrectly pulling out the ear, etc., and a limited abscess of the ear canal occurs, which makes the patient suffer from pain when pressing on the swollen ear. 4. Otitis media: Patients suffering from otitis media will lead to a large amount of secretion in the middle ear, which may also be accompanied by middle ear effusion, secretion and effusion will flow into the external ear canal, stimulating the skin redness and swelling, resulting in the phenomenon of pain when pressed on the swollen ear. It is recommended that patients go to the regular hospital in time, under the diagnosis of the doctor, according to the cause of the disease and the specific performance of the patient’s condition, to take targeted treatment, life should prevent the ear into the water.