Inclusion Criteria:  Patients with primary benign intraspinal tumors at the level of L1-L5 who underwent semi laminectomy; The age of the patients ranged from 14 to 80 years old; The GCS score was 15 points, and the lower limb muscle strength was more than or equal to grade 3 before operation; The patients agreed to the operation and were willing to accept and cooperate with the concept of early rehabilitation nursing and related measures;  Exclusion Criteria:  patients with rapid development of disease, difficult to exclude malignant tumors, and non neoplastic lesions in spine or spinal canal; Have a history of severe hypertension, heart disease or other mental illness; Patients with major organ damage or coagulation dysfunction; The patients and their family members had poor communication and compliance; There are factors that may progress or worsen the patient's condition (such as uncontrolled infection, severe respiratory disease, pulmonary infection, etc.);