The disappearance of the fracture line is a technical term used in the x-ray report, meaning that the fracture has completely healed. How to determine the healing of a fracture requires a periodic review, which is a review of the x-ray to see if the fracture line has disappeared. In the process of fracture healing, the fracture line will change from clear to blurred, and eventually become completely invisible. The disappearance of the fracture line indicates that the fracture has completely healed. Fracture patients can do physical exercise, including walking on the ground and jogging, etc., but should avoid strenuous exercise to avoid re-fracture.