Modified Enhanced Recovery After Oblique Lateral Interbody Fusion Surgery

Inclusion Criteria: * Age 18-80 years old; * Lumbar degenerative diseases that meet the indications of fusion surgery; * Patients who are suitable for OLIF surgery; * Patients who have actually completed OLIF surgery; * The number of fusion segments is less than or equal to two; * There was no basis for serious diseases of brain, lung, kidney and other important organs, and preoperative American Society of Anesthesiologists (ASA) score was I-III; * Agree to participate in the study and sign the informed consent form. Exclusion Criteria: * Patients undergoing lumbar fusion surgery due to spinal trauma; * Patients undergoing lumbar fusion surgery due to spinal tumor resection; * Revision surgery; * The number of fused segments is more than 2; * Simultaneous lumbar fusion via other approaches, such as transforaminal lumbar interbody fusion (TLIF), posterior lumbar interbody fusion (PLIF), anterior lumbar interbody fusion (ALIF), etc.; * Pregnancy or perinatal period; * Blood system diseases lead to coagulation dysfunction; * Combined with other diseases, life expectancy less than 2 years; * Patients is participating in other clinical trials.