After lumbar spine fixation with screws, you should pay attention to bed rest, adjust the diet and follow the doctor’s instructions. 1. bed rest: usually three months after lumbar spine is fixed with screws, it is necessary to stay in bed strictly to reduce the pressure of lumbar spine and promote the recovery of the body, at the same time, pay attention to personal hygiene, and carry out appropriate massage to promote blood circulation. 2. Adjust diet: pay attention to light diet, balanced nutrition, eat more food containing protein and vitamins to replenish the body’s nutrition, and avoid spicy and stimulating food. 3. Follow the doctor’s instructions: strictly follow the doctor’s instructions, regular checkups, pay attention to wound hygiene and cleanliness, and in the late stage of recovery, you can wear a brace to get out of bed to promote muscle recovery. After the lumbar spine is fixed with screws, if there is any discomfort, you need to communicate with the doctor in time, try to hold on to bending to reduce the burden on the lumbar spine, and exercise appropriately to enhance physical fitness and promote recovery.