Mecobalamin does not have miraculous effects and is usually methylcobalamin tablets, which belongs to a kind of western medicine and is mainly used to treat peripheral neuropathy, megaloblastic anemia and other diseases. Methylcobalamin tablets can mainly improve a series of symptoms caused by peripheral neuropathy, for example, it can improve the symptoms of facial neuritis and trigeminal neuralgia. It can also be used for the improvement of nerve compression caused by lumbar disc hyperplasia, leading to the symptoms of nerve function weakening. It can also be used to treat megaloblastic anemia caused by vitamin B12 deficiency. For methylcobalamin drug for any excipients in the history of allergy is prohibited, although methylcobalamin tablets in animal experiments did not show a teratogenic effect, but for women during pregnancy safety is not clear, in addition can not be clear whether it will be through the milk, so the safety of lactating women is not clear, try not to use blindly. During the use of the drug need to closely observe the therapeutic effect of the drug and the recovery of the individual’s condition, but also need to closely observe whether there are adverse drug reactions, if abnormalities need to be communicated to the doctor in a timely manner.