Pain below the ear at the junction with the cheek may be due to mumps, otitis media and glossopharyngeal neuralgia. 1. Mumps: It is generally an acute respiratory infectious disease caused by mumps virus, manifested by headache, fever, tiredness, parotid gland enlargement, cheek pain and other symptoms, and can be treated with drugs such as ribavirin and adrenocorticotropic hormone. 2. Otitis media: generally refers to acute and chronic inflammatory lesions of the mucous membrane of the mastoid cavity of the middle ear, manifested by earache, ear canal water, hearing loss, tinnitus, cheek pain and other symptoms, can use ofloxacin ear drops, dexamethasone, prednisone and other drugs for treatment. 3. Glossopharyngeal neuralgia: Inflammation of the pharynx can cause pain here due to the radioactivity of the glossopharyngeal nerve, and it is often necessary to actively treat the primary disease, and this symptom will disappear. Pain at the junction of the lower ear and the cheek should be determined first, and standardized medication and diagnosis and treatment should be prescribed by the doctor.