Sore feet after walking after a fracture are mostly caused by blood circulation disorder, soft tissue injury, nerve injury, ligament stiffness and infection. First of all, if the fracture has reached clinical healing, walking after the symptoms of soreness is a normal phenomenon, this situation will be more obvious after external immobilization and bed rest, this is because of long-term rest and braking lead to the fracture part of the blood circulation is poor, the metabolic waste can not be removed in a timely manner, generally after a period of time of exercise and rest can be relieved. In addition, the affected area of the local soft tissue damage or fatigue, ligament stiffness and local nerve damage will also appear soreness; if the open fracture, may also cause different degrees of infection, also have the symptoms of soreness after activity. If walking after the fracture foot soreness persists or progressive aggravation, it is recommended to consult a doctor in a timely manner, improve the relevant examination, and follow the doctor’s instructions for targeted treatment, so as to avoid delays in the condition.