The most common cause of ear pain is swelling caused by inflammation of the external auditory canal, resulting in pain when opening and closing the mouth. First of all, we need to treat otitis externa, you can take oral cefradine capsules or cefuroxime sodium, external use of ofloxacin ear drops, first of all, can no longer enter the water as well as digging the ear, a week or so will be relieved. The ear pain is caused by temporomandibular joint dysfunction, to eat less hard nutty food in the near future, limit the large mouth and misaligned bite, you can eat some of the blood pain medication, such as pain and blood Kang capsule, temporomandibular joints can be used to hot towels hot compresses, two times a day, once half an hour.