Some patients with a completely ruptured eardrum can wear hearing aids, and their hearing may improve, but they may not be suitable for all patients. For example, hearing aids are not recommended for patients with obvious congenital or traumatic deformities, or a history of acute middle ear effusion within the last 3 months. After the eardrum is completely ruptured, you can still hear the sound, but the hearing will be reduced, you can use hearing aids to amplify the loud source to enhance the hearing, and the hearing will be improved after wearing hearing aids. After complete rupture of the eardrum to choose the appropriate hearing aid, such as eardrum perforation accompanied by otitis media, need to actively treat the middle ear suppurative inflammation, to avoid corrosion damage to the in-ear hearing aid. After complete rupture of the eardrum accompanied by obvious congenital or traumatic deformities, a history of acute middle ear overflow in the last 3 months, foreign bodies in the ear or cerumen embolism, total deafness or central and non-organic hearing loss, etc. are not recommended to wear hearing aids. After a complete rupture of the eardrum, it is important to seek medical treatment and to go to the hospital to let the doctor decide whether to wear a hearing aid.