With the development of microscopic technology, neurosurgery is more microscopic and invasive in treating spinal tumors. Semi-spinal plate technique to resect the tumor in the tumor, in the treatment of the disease at the same time, to avoid the destruction of spinal stability to the maximum extent, the surgery does not need to resect the spinous process and interspinous ligaments, without internal fixation, to avoid the subsequent fixation complications and very high medical costs, the physician technology and equipment technology requirements are high, but very beneficial to the patient. It should be the best choice for the treatment of spinal cord tumors, and only in cases where hemilaminectomy is not possible should other surgical methods be considered.