Feet will feel fatigue for the following two common reasons: First, the recent walking distance is too far or walking time is too long, can cause fatigue and pain in the feet, the inner and outer muscles of the foot is relatively small, long or long-distance walking can lead to serious muscle strain and cause muscle spasm, stiffness, manifested as foot pain and fatigue. Through the toe active grip action can train the inner and outer muscles of the foot to relieve pain symptoms and fatigue. Second, if the patient suffers from flatfoot syndrome, foot longitudinal arch collapse, plantar fascia and muscle overload, normal walking will also appear foot strain, soreness symptoms, such patients are only suitable for short distance walking, can not walk a normal distance.