Paroxysmal pain in the ear is clinically seen in the following diseases. 1. Painful sensation induced by acute otitis externa, acute tympanitis, herpetic tympanitis, acute otitis media, etc. This mostly persistent pain is predominant. The clinical examination reveals changes such as congestion and redness of the ear canal, congestion of the tympanic membrane, and unclear signs. 2. Painful sensation in the ear and its surroundings caused by herpes zoster invading the trigeminal nerve. 3. Ear neuralgia induced by patients who may have stayed up all night with fire, anxiety and other bad emotions. In this case, there are no obvious lesions around the ear canal during the clinical examination, and the clinical pain is mostly paroxysmal. In some patients, the application of carbamazepine has a certain effect. 4. Some patients have inflammatory infections of the throat that involve the ear with radiating pain, and this is mostly due to acute tonsillitis, peri-tonsillar abscesses and other diseases.