The time to grow scabs after a fracture depends on the patient’s physical condition, fracture site, age, severity of injury, and the effectiveness of later treatment, and cannot be generalized. If the patient is in good health and has no chronic diseases, the time to grow scabs will be faster; if there are chronic diseases, the time to grow scabs will be relatively longer. The site of the fracture is also important, with clavicle fractures taking 4-6 weeks to grow a scab and femoral neck fractures taking 12-24 weeks to grow a scab. In addition, in pediatric patients, scabs can develop in as little as 1-2 weeks, while in adults it may take about 2-4 weeks, and in older adults it is even slower. The more severe the fracture and local infection, the longer it takes for the scab to grow, even 5-6 months in some patients. The effectiveness of the later treatment and the firmness of the fixation also have an impact on the speed of the scab growth, and the better the treatment, the better the scab growth. Patients are advised to take rest and not to move freely after the fracture. The patient should go to the orthopedic department of the hospital to review the x-ray film when the bone scab grows, so that the extent of the scab growth can be judged according to the x-ray film and the next step of treatment can be taken.