Patients with lumbar disc herniation are treated well with sacral injection therapy. This is a treatment method commonly used in orthopedics and pain departments in clinical practice. This method is safe, simple and effective, especially for patients with lumbar 5 sacral 1 disc herniation, that is, patients with lumbar 5 sacral 1 disc herniation compressing the sacral 1 nerve, with the best effect of sacral canal therapy. Sacral tube injection therapy is to use hormonal drugs, together with anesthetics and saline, after mixing, enter through the site of the sacral fissure to advance the drugs, and then inject a large amount of saline, through the drug to play the role of anti-inflammatory, pain relief, injecting a large amount of saline can loosen the adhesions of the nerve root site.