Eardrum perforation is mostly caused by otitis media and trauma. Symptoms include ear pain, pus flow, hearing loss, tinnitus, etc.; hazards include hearing loss and secondary infection in the ear. 1. Otitis media eardrum perforation: there will be symptoms of ear pain, accompanied by pus flow from the ear. It can cause hearing loss and secondary infection in the ear canal. 2. Traumatic perforation of the eardrum: the moment of perforation, there will be severe pain in the ear, hearing loss accompanied by tinnitus. It can cause hearing loss and increase the risk of ear infections. If you have a perforated eardrum, you need to go to the hospital in time for examination and active treatment, and you should pay attention to avoid water in the ear.