Nutritional drugs for the nerves of the legs belong to the peripheral nerve nutritional drugs. Commonly used as follows: 1, B vitamins, commonly used methylcobalamin, furazinamide or direct use of vitamin B1, vitamin B12, of which methylcobalamin is a derivative of vitamin B12, furazinamide is a derivative of vitamin B1, belong to the composition of the nerve myelin sheath of the necessary nutrients, after supplementation to promote the repair of myelin sheaths and synthesis. 2, cytarabine capsule, the role of this drug can be both in the Cytarabine capsule, this kind of drug can act on both central nerves and peripheral nerves, which can promote nerve metabolism and nutritional repair. 3, rat nerve growth factor, this kind of drug is an injectable preparation, which is relatively expensive, but the effect of nutritive nerves is also better. 4, ganglioside, which is more commonly used in central diseases, also has a certain nutritional effect on the peripheral nerves. However, the use of the need to pay attention to avoid and side effects, to prevent the induction of ganglioside specific antibodies to ganglioside immune syndrome.