FingerOrthosis, also known as finger orthosis, includes orthoses for the treatment of interphalangealjoint (IP) extension or flexion contractures, deformities and fixation, and can be divided into proximal interphalangeal (DIP) and distal interphalangeal ( Proximal interphalangeal (DIP) and distal interphalangeal (PIP) are two types of orthoses. Orthoses for the treatment of metacarpophalangealjoint (MP) extension or flexion contractures and fixation. For the MP joint, there are flexors, extensors and fixed orthoses; for the IP joint, there are flexors, tapered finger orthoses and extensors. Finger function is the most important and unique function of the hand, and many people with disabilities are severely handicapped by the loss of finger function; therefore, orthoses with the primary purpose of restoring finger function occupy an important place in hand orthoses. There are many types of paired-finger orthoses, which can be made of metal or low-temperature thermoplastic materials and are made of hoop and aluminum plates that hold the finger in the desired position. According to the different functions can be divided into: 1, finger orthoses for all or part of the finger orthoses. 2, interphalangeal flexion-assisted orthoses also known as interphalangeal de-flexion aids (bent finger orthoses), the use of rubber elastic bands to assist interphalangeal joint flexion orthoses. Used for interphalangeal joint extension contracture and other conditions. 3, the interphalangeal extension auxiliary orthosis using rubber bands to assist the interphalangeal joint extension orthosis. Used for interphalangeal joint flexion contracture and other cases. 4.Spring-type interphalangeal extension auxiliary orthosis is used to fix the interphalangeal joint orthosis. The orthosis that uses spring steel wire to assist interphalangeal joint extension. Used in cases such as interphalangeal joint flexion contracture. 5, wire frame type interphalangeal extension auxiliary orthosis using wire spring assisted interphalangeal joint extension orthosis. Used for interphalangeal joint flexion contracture and other cases. 6, finger fixation orthosis interphalangeal joint orthosis, used for goose finger, cone finger, finger extension and flexion muscle rupture and bone fracture of the fixation. 7, clamping orthosis for thumb and other fingers suffering from disease caused by the loss of function of the opposite finger, is to keep the thumb in the position of the opposite palm, and then fixed with metal parts index finger, middle finger, three fingers joint movement, dorsal extension state of the opposite finger, flexion state of the separation. Use this function to pinch objects. 8.Finger-driven clamping orthoses use finger movements as the source of force for clamping orthoses. 9.Finger-actuated assisted clamping orthoses equipped with a flexion or extension assisted spring for finger-actuated clamping orthoses.