Acute lumbar disc herniation, the use of injections to treat the following types of treatment, such as intravenous infusion of mannitol, hepatic saponin sodium and so on can reduce the edema of the nerve root, to achieve the purpose of pain relief. For this type of injection, a course of 7-10 days, if ineffective is not recommended to continue the injection. In addition, vitamin B such as adenosylcobalamin can nourish the nerves, once a day intramuscular injection, 7-10 consecutive days for a course of treatment. There are also some who take closed therapy to treat herniated discs. This treatment is controversial and most orthopedic specialists do not recommend closed therapy for lumbar disc herniation. Some pain doctors may target the sacral canal for injection therapy, by injecting some dexamethasone, triamcinolone acetonide or methylcobalamin to eliminate the edema of the nerve root, this injection method once a week, 3-4 times for a course of treatment. If conservative treatment is not effective, surgical treatment is still needed if necessary.