Calf prosthesis can effectively improve the appearance of the limb disability, can complete the weight-bearing, standing, walking and other functions, can work. Some well-trained patients with prosthesis have better motor ability than normal people, so there is no problem to work with calf prosthesis, but there is a problem to be noted, due to the calf prosthesis has no sensation, no fine movement, so for the lower limb to fine operation of the work can not be accomplished, for the ordinary load bearing or walking, standing type of work is fully capable of. In addition, due to the contact surface between the calf prosthesis and the residual limb, if long-term activities or weight bearing will cause damage to the contact surface, resulting in redness, swelling, pain and even ulcers on the contact surface of the skin, thus seriously affecting the quality of life. Therefore, wearing calf prosthesis work should be light and moderate, to ensure the health of the body is the main.