Sacral fissure is a normal tissue in the body and does not require special treatment or management. There is an ear-shaped articular surface on both sides of the sacrum interconnected with the hip bone, and a longitudinal canal in the center of the sacrum, called the sacral canal, which opens downward to form the sacral fissure. Sacral fissure is often a bony sign, and in clinical practice, local drug injection treatment can be carried out to effectively relieve the local pain symptoms. The patient is placed in the lateral position with the affected limb underneath, head bent, knees and hips flexed, and the lumbosacral region is posteriorly bowed so that the body is in a C-shape, and a depression is felt along the lumbar spinous process towards the tail, which is the sacral fissure. After routine disinfection, local epidermal anesthesia is performed, the puncture needle is at an angle of 60 degrees to the skin, the needle tip is pierced upward, and after a feeling of falling into the air, the sacral fissure is basically reached, and at this time, the drug can be injected. After the injection of drugs, in order to promote and enhance the therapeutic effect of drugs on the lesion, appropriate massage can be performed.