There are two kinds of injections on the waist of patients with lumbar disc herniation, if the injection is made in the superficial area, usually a closed injection, the drug contains hormones and lidocaine, vitamin B12, by making a closed injection in the area of the pain point can play the role of anti-inflammatory and pain relief. There is another kind of needle is injected into the epidural cavity, that is, the pain-relieving and anti-inflammatory drugs are injected into the epidural cavity, which can play a role in improving the local blood circulation, eliminating the edema of the nerve root, eliminating the role of aseptic inflammation, which is very helpful in promoting the retraction of lumbar herniated discs and repairing of fibrous annulus, and it can solve the compression-induced mechanical irritation of lumbar herniated discs as well as both mechanical irritation and chemical irritation. However, the requirements of this operation are relatively strict, and you need to go to a regular hospital to be carried out by a pain doctor under aseptic conditions to avoid spinal canal infections, so as not to aggravate the symptoms.