Patients with neuralgia should take vitamin B1 and vitamin B12. Neuralgia is either primary or secondary neuralgia, either of which indicates that there may be nerve damage. In addition to taking drugs specifically for neuralgia such as pregabalin, gabapentin and carbamazepine, it is also important to take drugs that nourish the nerves and promote nerve repair such as B1 and B12 of the B vitamins. there are also new drugs that are derivatives of vitamin B12 such as methylcobalamin, adenosylcobalamin and a derivative of B1, furanothiamine, all of which are used as one tablet three times a day. In addition, oral cytarabine sodium capsules can be taken as 1-2 tablets three times a day, and patients who are able to do so can also use murine nerve growth factor for intramuscular injection at 18 or 20 μg once a day.