Fracture and injury of the tibia and ankle are always treated surgically. Severely comminuted fracture and ankle instability need an external support for early rehabilitation. Conditions such as osteomyelitis and Charcot joint in diabetes can caused bone destruction and subsequently lead to join collapse. The problem is usually managed with prolonged plaster of Paris treatment. This conservative treatment will caused stiffness of the ankle joint and is bothersome to patients. Indications for use of the below knee brace include rehabilitation fracture of the tibia and ankle, protection after surgery, rehabilitation of ligament injury and correction and support of deformed and unstable joint were the brace helps to realign the deformed ankle due to joint destruction such as seen in paralytic and chronic diabetes also the brace allow patient to have a stable foot and ankle for walking.