The pain is not obvious at the time of the broken foot, mainly for the following reasons: 1, the ligaments or tissues are not very serious, so the pain is not obvious; 2, it is also because on top of this did not feel much damage, still walking on the ground, there are these activities to stimulate the original damage is not serious further aggravated, so after the second day, the third day after the pain will feel further aggravated, there will be 3, after the injury of local bleeding, exudation has a time of occurrence, development process, generally in 3-4 hours, a long time within 6-8 hours, exudation and pain will gradually appear, especially the relatively light broken foot, the above process of change is more obvious. So no matter how serious or how not serious around the broken foot, you should pay attention to rest as much as possible, do not walk on the ground, there is no pain at that time just the whole process of the disease has not developed to the extent of pain, it takes time.