How many days you can get down to the ground after the lumbar spine is removed should depend on the specific condition, and the earliest you can get down to the ground is 3 days. After the lumbar spine nail is removed, the 2nd and 3rd day should be changed according to the doctor’s instructions, and the healing of the lumbar spine should be observed to consider whether it is possible to go down to the ground. Generally, after clinical diagnosis and evaluation by a professional doctor, you can go down to the ground as soon as 3 days, but you have to wear a brace for immobilization, which will help the recovery of lumbar spine, but you should not do weight-bearing activities or strenuous exercise. After the lumbar spine has been removed from the steel nails, it is important to do a good job of postoperative care, so as to avoid infection affecting the recovery. At the same time, it is recommended to carry out functional exercises under the guidance of professional physicians, such as small flying swallow, 5-point support method, etc., to promote the recovery of lumbar spine function, and regular review. Diet should be light, pay attention to nutritional supplementation, and eat more high protein and vitamin-rich foods. If there is any discomfort, timely review.