Chordoma is an epidural tumor of embryonic origin, involving the slope and sacrococcygeal region. The tumor is classified into classic and chondrogenic types. The tumor is histologically quite benign and slow growing, but is treated clinically as a malignant tumor. Because of its local invasion, high recurrence rate and occasional distant metastasis characteristic performance. Clinical symptoms: The main manifestations are local pain and invasion of peripheral nerves and tissues. 1.Sacrococcygeal region, often with sacrococcygeal pain as the main symptom, larger tumor compression of sacrococcygeal nerve may cause constipation and urinary disorder. 2.Incurred in the lower slope and craniocervical junction, often with headache. 3.If it occurs in the chest, the tumor may invade the corresponding vertebral structure, protrude into the thoracic cavity through the intervertebral foramen and destroy the intercostal nerve, which may cause segmental burning neuralgia. It even triggers pulmonary pleural irritation symptoms. Examination: CT and MRI Treatment: Pure surgical treatment is difficult to cure. Radical surgical resection plays a major role in the treatment of chordoma. Postoperative radiotherapy often has a different outcome. In the majority of cases, postoperative radiotherapy is required for fractional or non-radical resection, but chordoma is not sensitive to radiotherapy. The overall prognosis is poor.