Methylcobalamin can be used to treat the symptoms of nerve compression caused by lumbar disc herniation. Methylcobalamin tablets are an endogenous vitamin B12 with nerve nourishing properties and are indicated for peripheral neuropathy. Lumbar intervertebral disc herniation due to the protruding nucleus pulposus compresses the nerve root, followed by symptoms such as numbness, pain and weakness of the lower limbs, etc. When using methylcobalamin for treatment, it can improve the above mentioned nerve compression condition. Mecobalamin may cause gastrointestinal discomfort, such as nausea, vomiting and so on, due to the function decline of the elderly, pay attention to reduce the dosage as appropriate. The drug treatment of lumbar disc herniation usually needs to be combined with other drugs, such as ibuprofen, diclofenac sodium, etc. When the lumbar disc herniation is serious, surgical treatment is feasible. Therefore, it is recommended that patients go to a regular hospital for examination, to clarify the cause of the disease for targeted treatment, do not blindly use drugs.