Rehabilitation exercises after lumbar internal fixation surgery are mainly based on the functional exercise of lumbar back muscles, such as five-point support training and three-point support training in the early stage, and Feiyan exercise and other exercise methods in the late stage. Specific exercise methods should be based on the patient’s specific etiology, physical condition and postoperative medical advice. 1. Five-point support: the patient bends the knees and lies down flat, using the feet, elbows and head as support, lifting the waist and buttocks as high as possible, holding on for 5~10 seconds and then relaxing, taking a short break and then doing the exercise again. 2. Three-point support: the patient is lying on his back, with the head, feet 3 points as a support, the hips slowly lift the waist and buttocks as high as possible, adhere to 5 ~ 10 seconds and then relax, take a short break, and then exercise again. 3. Flying Swallow Exercise: The patient is in a prone position, head, both upper limbs, lower limbs as far back as possible, abdominal contact with the bed or cushion area as small as possible, in the shape of a flying swallow. It is recommended that patients under the guidance of a professional doctor for treatment, depending on the specific recovery situation to develop a training program, do not blindly exercise on their own to avoid adverse consequences.