Tibial tuberosity traction depends on the age of the person being tractioned, and the disease of the person being tractioned. Under normal circumstances, traction on the tibial tuberosity is indicated for the treatment of fractures of the backbone or pelvis. Traction can be applied to 7-1/8 of the body weight, or to 1/9 of the body weight in the case of old and weak people or people with insignificant muscle strength. 1.5-2.5 kg of tibial tuberosity traction can be used for auxiliary purposes. The tibial tuberosity traction for the patient’s congenital hip dislocation single hip traction, can take 1-6kg of traction, children 1-6kg of traction is based on age, such as 1kg/year, each additional year of increase of 1kg.