1. Asymmetric Design Concept: Foot Drop Orthosis, The central design of the brace is on the medial side. This design makes it easier to control the strength of the outer valgus when adjusting the valgus, strengthen the stability of the inner brace, and facilitate the correction of the symptoms of varus. 2. Ergonomics: Foot Drop Orthosis, stimulate the tibialis anterior muscle and the excretory nerve of the calf, help the user to move forward and assist in raising the foot, walk naturally, and ease the pace of walking. 3. Easy to clean: The removable bandage, with soft sponge fabric, which would not hurt the leg, good flexibility, not easy to deform. A removable and washable padding for comfort and hygiene. 4. The 4 stage adjustable tension: Foot drop orthosis can be corrected in four levels, Strengthen the correction to meet the needs of rehabilitation at all stages and avoid the problem of frequent replacement of the foot drop orthosis.