The exact amount of time it takes to return to normal after lumbar spondylolisthesis surgery depends largely on the severity of the lumbar spondylolisthesis and the treatment plan. Simple lumbar spondylolisthesis takes 3~4 weeks, while severe lumbar spondylolisthesis takes 3~4 months. 1. Simple lumbar spondylolisthesis, the stability of lumbar spine is not affected, this situation is not particularly serious, vertebral decompression surgery, recovery after surgery usually takes 3~4 weeks. 2. Lumbar spondylolisthesis is serious, lumbar spine stability is poor, need to be cut and repositioned internal fixation treatment, re-establish the stability of the lumbar spine, the recovery time is longer, usually need 3~4 months. After lumbar spondylolysis surgery, patients can eat more fresh vegetables and fruits and easy to digest food, which can help the patient’s condition to recover, and if there is any discomfort, emergency to the hospital, and actively cooperate with the doctor’s treatment.