Nerve tonic drugs include two main categories: the first category, vitamin drugs. The second category, vasodilators, promotes blood circulation drugs. Vitamin drugs are the main drugs to nourish the nervous system. The nervous system needs to be repaired after injury, and the repair must involve vitamins in order to heal well, and these vitamin drugs mainly include B vitamins, mainly vitamin B1, glutamine, vitamin B complex and vitamin B12. Clinically commonly used methylcobalamin is an oral preparation of vitamin B12, and there are also injections of vitamin B12. These drugs play a very important role in repairing the nervous system and can be used for a long time. The second class of drugs belongs to the category of blood vessel dilation and blood circulation promotion drugs, including Danshen, Ginkgo, Yunnan Baiyao class of drugs, all of which can play a good role in activating blood circulation and blood vessel dilation, and help the nervous system to repair well by improving blood circulation for nerve damage caused by microcirculatory disorders.