There was no pain at that time after the foot was broken, indicating that the process of sprain is not particularly serious, there may be a simple ligament damage, and at this time because there is no pain is not too concerned, still normal walking down pain will reappear, even if well protected for systematic treatment, the pain will gradually increase within the first 2-3 days, there is a normal process of change. So no matter which of the above two cases, you cannot judge whether there is a fracture or not by the change of symptoms, you should go to the hospital to do a film examination to be able to clarify whether there is a fracture or not, except that from the whole process of painful change of symptoms, the possibility of a fracture is relatively small, and most cases with a fracture will have very obvious pain.