Spinal tumors include benign tumors and malignant tumors, and malignant tumors are subdivided into malignant tumors originating in the spine and metastatic cancer of the spine. Benign spinal tumors have a relatively low postoperative recurrence rate, and malignant tumors have a high postoperative recurrence rate. The important reason for the high recurrence rate after surgery is the special anatomy of the spine, which is adjacent to important blood vessels, nerves and spinal cord, and the tumor may not be able to complete the removal of the whole block. therapy and immunotherapy, etc.