With the development of social industry and agriculture, various injuries are occurring more and more frequently in daily life, and there is a gradual increase in the number of patients with various fracture injuries in clinical practice. For each fracture case, the question before the doctor and the patient is: how to choose the fracture treatment method. Fracture treatment is broadly divided into surgical, non-surgical and in-between limited surgical treatment methods (semi-invasive), each of which has its own indications and can be determined by the hospital’s equipment conditions, technical capabilities and the physician’s personal experience. However, most scholars agree that one should strive to achieve the best treatment results with the least amount of damage. Manual closed reduction for fractures has a long history in China. As early as more than a thousand years ago, in the Tang Dynasty, Lin Dao Ren proposed the methods and principles of fracture treatment in his book “The Secret Formula of the Immortal’s Teaching for the Continuation of Injuries”: repositioning, fixation, medication and functional exercise. There are many effective prescriptions and experiences in promoting fracture healing and functional recovery. In clinical practice, for most fractures of the upper extremity (such as clavicle fracture, humerus stem fracture, supracondylar humerus fracture, forearm ulnar radius fracture, metacarpal fracture, and finger bone fracture), functional repositioning (i.e., the fracture is not 100% aligned but will not adversely affect the function after healing in this position) can be achieved through orthopedic manipulation, and anatomical repositioning (i.e., the fracture is 100% repositioned) can be achieved if the manipulation is well mastered. (i.e., the fracture is 100% repositioned). In the lower extremities, most of the ankle fractures can be anatomically repositioned by orthopedic manipulation, and some of the femur fractures and tibiofibular fractures can be satisfactorily repositioned by orthopedic manipulation with bone traction. After the fracture is repositioned, proper fixation must be applied and maintained until the fracture heals. Compared to other treatment methods, the advantages of manipulation are obvious: it is simple, convenient, economical and less painful. Since there is no incision of the peri-fracture tissues and periosteum and no damage to the blood supply, which the bone tissues rely on for their own repair, fracture healing is significantly accelerated and limb function is restored quickly and well. The advantages of such a fracture treatment method are that the operation time is greatly shortened because the operation procedure is simplified; the operation trauma is reduced