Ankle structured by the tibia, fibula and foot, where foot contains the talus and calcaneus and others total of twenty six pieces bone, connected by staggered ligaments, its structure is rather complex. Due to the ankle has to bear the body weight, rapid direction change, running back and forth repeatedly, jumping and landing during sport requires the strong calf muscles and ankle ligaments to maintain joint stability. In the case excessive exercise, a weak muscle, Ankle Support can be helpful. Ankle support assists tissues to stabilize joints. If the ankle sprained accidentally, ankle stability decreases dramatically, professional Ankle Support protects ankle injures for second time by sharing the compressive force on ankle, ensures the affected area can be fully recovered.