Strictly speaking, spine surgery belongs to a subspecialty of orthopedics, which includes joints, spine, trauma, hand surgery, foot and ankle, sports medicine, pediatric orthopedics, bone oncology and other subspecialties, and is a collection of various subspecialties. In large tertiary hospitals or larger orthopedic hospitals, the specialty classification is very fine, and each subspecialty will become a separate department to achieve the purpose of specialized treatment, the discipline development is more professional and more accurate. Therefore, spine surgery is a subspecialty of orthopedic surgery, which is relatively more in-depth in the direction of specialization, including the spine, spinal nerves, surrounding ligaments, muscles and other related diseases. In many smaller hospitals, it is not separated out separately.