The success rate of tympanic membrane repair can be greatly improved by having an otoscope and otologic microscope and related microsurgical equipment and a good pre-surgical examination to exclude lesions in the ear and middle ear cavity, while the tympanic membrane perforation repair has to pay attention to some matters 1. Check the normal function of the eustachian tube without rhinitis or sinusitis and without inflammation of the external ear canal.4. The tympanic membrane repair surgery is divided into internal and external methods, and the best way to use the stent is to take the cartilage membrane of your own ear screen, which can reduce the immune exclusion reaction in the ear.13527898895