After left tibial plateau fracture incision and internal fixation, when to do rehabilitation depends on the patient’s condition. Generally speaking, as long as the condition is stable, you can start the rehabilitation treatment on the same day of the operation under the guidance of professional rehabilitator. Appropriate activities can be carried out in the early stage after left tibial plateau fracture, such as isometric contraction of the quadriceps muscle on the affected side and ankle pump training on the day of surgery. Subsequently, passive flexion and extension, active flexion and extension of the knee joint can be started gradually according to the rehabilitation process to avoid joint adhesion and weight-bearing training. Rehabilitation treatment is generally divided into exercise and physical therapy. In addition to the above exercise, ultrasound therapy and infrared therapy can also be carried out, which can promote local blood circulation, facilitate the reduction of postoperative swelling, and accelerate the healing of the fracture. At the same time, you can take calcium tablets and strengthen the nutrition to promote the healing of the fracture. It is recommended that patients carry out rehabilitation exercises under the guidance of a professional doctor, so as to avoid secondary injuries caused by improper methods.