The front of the calf hurts when walking fast, there are commonly the following causes: First, tibial periostitis, due to the existence of periostitis, local force, stretching, irritating pain when walking fast. Second, the existence of chronic strain on the bones of the calf, such as patients for a long time, high load of strenuous exercise, or often lower limb weight-bearing more or long standing, long walk, etc., and like athletes often training, easily lead to strain on the tibia, in the time of fast walking, the strain will produce irritating pain because of the force of the part. Third, there are diseases in the bones of the lower leg, including bone tumors, abnormal bone metabolism, osteoporosis, etc., which can cause irritating pain. Patients must go to the hospital for detailed examination and then take appropriate treatment.