Deafness caused by hypothyroidism can be improved by medication, surgery and assistive devices, and you can consult your doctor for specific treatment options. 1. Medications: Thyroxine tablets can be used under the guidance of a doctor to relieve the symptoms of hypothyroidism. 2. Surgery: Hypothyroidism can lead to blockage of the eustachian tube, thus causing deafness, so you can choose tympanotomy and tube placement, laser tympanostomy and other ways of treatment, so as to alleviate the problem of deafness. 3. Auxiliary devices: For patients whose conservative treatment is ineffective or whose condition is severe, cochlear implants or hearing aids can be chosen to help recognize sound, improve hearing ability and satisfy daily communication. If the patient is deaf, he or she can undergo relevant examinations in the hospital, and under the guidance of the doctor after a clear diagnosis, in order to control the development of the disease in a timely manner.