Exercise can promote the growth of bone scab, but it should be noted that it should not be done randomly or excessively. After a fracture occurs, the growth of bone scab during the healing process can better promote the healing recovery, and appropriate activities are conducive to promoting blood circulation at the fracture site, strengthening muscle strength, training joint mobility, thus promoting the generation of bone scab and the recovery of limb function. However, after the fracture occurs, it is not allowed to exercise randomly or excessively, such as strenuous exercise or irregular posture, etc., which may affect the healing of the fracture site, and may even lead to the displacement of the fracture site, therefore, rehabilitation training should be carried out under the guidance of the doctor. In addition, in order to promote the growth of bone scabs, the diet should increase nutrition, eat more food rich in protein and high calcium, keep a happy mood and live a regular life, in order to promote the body to recover as soon as possible.