Nerve-nourishing drugs mainly have the effect of nourishing peripheral nerves and brain nerves. The commonly used drugs in clinical practice include methylcobalamin injection, injections of vitamin B1 and B12, which are mostly used for peripheral nerve diseases, such as lumbar disc herniation, etc., oracetam injection, piracetam injection, cytidyl phosphorylcholine, sodium tetrahexose monosialate ganglioside injection , brain protein hydrolysate, rat nerve growth factor, etc. They are commonly used in cerebral thrombosis, cerebral hemorrhage, traumatic brain injury and other diseases to promote the recovery of nerves and shorten the course of the disease. There are various kinds of neurotrophic injectable drugs, each with its own indications, used for different neurological diseases, when using drugs should be selected according to the indications of drugs, should not be applied blindly to avoid counterproductive effects.