The methods to promote the growth of bone scab include keeping the fracture end stable, cooperating with functional exercise, balanced nutrition and so on. 1. Maintaining the stability of the fracture end: After the fracture is treated, the doctor will firstly fixate and brake the fracture part to ensure the stability of the fracture end, and may use external fixation or internal fixation. In order to promote the growth of bone scab, it is necessary to ensure the stability of the fracture end, do not move the fracture part and do not remove the external fixation. 2. Functional exercise: after the fracture, in the appropriate time period, you need to follow the doctor’s instructions with functional exercise to promote local blood circulation, avoid joint stiffness, avoid local muscle atrophy, etc., which is also conducive to the growth of the bone scab and promote the recovery of the fracture site. 3. Balanced nutrition: pay attention to the balanced diet, balanced nutrition can also promote the growth of bone scab. After the fracture is treated by the doctor, you must follow the doctor’s instructions for the care and rehabilitation of the fracture site, which can effectively promote the growth of the bone scab, and avoid premature and excessive exercise, so as to avoid delayed healing of the fracture.