Eardrum inflammation, also known as tympanitis, can be caused by inflammation of the external ear canal and inflammation of the middle ear, and is divided into the following categories: 1. Acute tympanitis: caused by acute inflammation of the external ear canal or acute inflammation of the middle ear, which can cause hearing conduction problems, resulting in mild hearing loss or severe ear pain; 2. Herpetic tympanitis: caused mainly by viral infections, mostly manifesting as severe ear pain, stuffiness, and tinnitus after a cold; 3, Mycosis fungoides, tympanitis: Patients use unclean ear spoons, cotton swabs or dirty water from swimming to enter the ear, and mycobacteria enter the external ear canal causing inflammation of the eardrum; 4. Chronic granulomatous granulitis: caused by contact granulomas, or foreign bodies.