Peripheral neurotrophic drugs include the following: 1. vitamin B1 and furathiamine. 2. methylcobalamin, vitamin B12 and adenosylcobalamin, both of which are B vitamins, are important nutrient sources for nerve repair and myelin production. when nerves are damaged, supplementing myelin with nutrients can effectively promote myelin growth and repair. 3. cytophosphatidylcholine, including cytophosphatidylcholine capsules and cytophosphatidylcholine injection, which is a brain metabolic activator and has a nutritional effect on peripheral nerves. It is a brain metabolic activator, mainly acting on nerve cells, but also has a nutritional effect on peripheral nerves. 4, murine nerve growth factor, also a neuroprotective and neurotrophic agent, mainly extracted from the submaxillary gland of mice, more expensive, only injectable preparations, only for the treatment of peripheral nerve diseases.