Frequent earache may be related to otitis externa, acute otitis media and ear neuralgia. 1. Otitis externa: When the ear is uncomfortable and itchy, use your fingernail to pick the ear, due to too much force will poke the ear canal as well as unclean fingernail, bring the bacteria in and cause skin infection. This disease not only has earache, but also may be accompanied by bleeding. 2. Acute otitis media: Bacterial suppurative infection occurs in the middle ear cavity and on the surface of the tympanic membrane, and the increasing amount of pus compresses the tympanic membrane, resulting in frequent earaches. 3. Ear neuralgia: As there are many nerves around the ear, if you are nervous, fatigued or in a noisy environment for a long time, it will cause frequent ear pain. There may be other reasons for frequent ear pain such as ear herpes, it is recommended to go to the hospital in time to get a clear diagnosis.