Pain inside the ear, in the clinical generally known as pain in the ear, caused by a number of causes of pain in the ear, such as otitis media, cholesteatoma of the external auditory canal, tympanic membrane perforation and other diseases caused. 1. Otitis media: otitis media patients usually appear ear pain, hearing loss, intermittent tinnitus and other symptoms, acute suppurative otitis media without perforation pain is obvious, some otitis media patients may also be accompanied by the symptom of pus in the ear. 2. Cholesteatoma of the external auditory canal: patients with cholesteatoma of the external auditory canal may have no obvious symptoms in the early stage, but with the increase of cholesteatoma volume, patients usually have symptoms such as ear pain, occlusion in the ear and tinnitus. 3. Tympanic membrane perforation: Tympanic membrane perforation is mostly caused by trauma or infection, which may be due to the entry of foreign objects, such as insects, stones, gravel, etc., leading to damage or infection inside the ear, and patients usually have the symptom of pain inside the ear. Therefore, if there is pain inside the ear, it is recommended to consult a doctor promptly in order to clarify the cause and treat the symptoms.