Nasopharyngeal cancer may have sequelae such as decreased vision, decreased hearing, atrophy of tongue muscle, hoarseness, difficulty in chewing, etc. Symptomatic treatment and medication are available. Because nasopharyngeal anatomy is complicated, surgery may cause damage to face, meanwhile, nasopharyngeal cancer is more sensitive to radiotherapy, so radiotherapy is the first choice of nasopharyngeal cancer treatment. Sequelae of nasopharyngeal cancer are often caused by radiotherapy, and different sequelae may appear in different irradiated parts. 1. Visual impairment or even blindness: it can be caused by corneal lesion, crystal clouding, fundus retinopathy or optic nerve degeneration and atrophy, for different cases, ophthalmologists should take targeted treatment measures. 2. Hearing loss: Hearing aids or other therapeutic measures can be taken, such as fluid in the ear canal can be used 0.5% Telbivitol ear drops or other antimicrobial ear drops. 3. Tongue muscle atrophy, difficulty in swallowing, choking and coughing: it may be caused by the damage of corresponding cranial nerves, it is better to change the daily diet into thick paste food and drink water through straw, meanwhile, nutritional nerve drugs and vitamin C and E can be given for treatment. After radiotherapy for nasopharyngeal cancer, patients should go to hospital for regular checkup and actively deal with related sequelae.