Patients with neuritis should take vitamin B1 and vitamin B12 supplements. Neuritis is an inflammatory, degenerative change of nerve fibers that requires the administration of nerve-nourishing drugs. Vitamin B1 and vitamin B12 have the function of nourishing nerves and promoting the repair of nerve functions, especially for the sensory disorders caused by neuritis, which have obvious improvement effects. Therefore, patients with neuritis should supplement vitamin B and vitamin B12 through food and medication. Foods rich in vitamin B1 and vitamin B12 include apples, oranges, grapes, kiwi, durian, dragon fruit, mangosteen, carrots, potatoes, bok choy, cabbage, green pepper, garlic, etc. Vitamin B complex and methylcobalamin can be taken as supplemental vitamin B1 and vitamin B12 medication.