Modern prosthetic limb is a recent development and production of prosthetic limbs compared with traditional prosthetic limbs. Modern prosthetic acceptor cavity changes the traditional prosthetic end open acceptor cavity to end closed full contact acceptor cavity, by the biomechanical human anatomical parts of the weight-bearing, the residual limb and acceptor cavity contact area is large, reasonable weight-bearing parts, increased stability and the ability to dominate the prosthesis. Process: the use of vacuum laminated molding process to produce resin composite material acceptor cavity, joints, connectors and other components using standardized, serial assembly of components, and the use of scientific alignment adjustment devices and methods, there are also significant improvements in the suspension fixation device, so the modern prosthetic light weight, good function, comfortable to wear. Suspension device: often use the special structure of the receiving cavity to play a suspension role. Such as: forearm prosthesis; modern calf prosthesis; modern thigh prosthesis, etc.