The main drugs that nourish peripheral nerves include the following: 1. B vitamins and their derivatives, including vitamin B1, vitamin B12 and derivatives of furanothiamine, methylcobalamin and adenosylcobalamin. 2. cytophosphatidylcholine, including cytophosphatidylcholine capsules and cytophosphatidylcholine injection, which can nourish both peripheral and central nerves. 3. murine nerve growth factor, which can only be injected intramuscularly but not orally. 4. It can be used for peripheral nerve diseases, and a few can also be used for central nervous system developmental delay, etc. 4. gangliosides, which can act on both peripheral and central nerves, can promote the repair and growth of nerve myelin. 5. other auxiliary drugs, such as Idebenone, Nicergoline, Beprost sodium, etc., can help improve nerve nutrition, blood supply and metabolism.