The recovery time after amputation surgery is related to various factors such as age, physical condition, severity of injury, whether the patient suffers from underlying diseases, degree of cooperation in treatment, nutritional status, etc. of different patients. Generally, patients can obtain wound healing in about two weeks, of course, if elderly patients are accompanied by diabetes and other underlying diseases, the healing time may be appropriately prolonged, more mainly the recovery of psychological trauma, which takes quite a long time. For lower limb rehabilitation exercise, medical staff should actively cooperate with the patient for psychological state maintenance, and help the patient to maximize the recovery of limb function, skin irritation training, and wear the prosthesis as early as possible. Wearing a prosthetic limb can last from three months to six months, and after wearing the prosthetic limb, the patient should also carry out the corresponding rehabilitation training, and generally return to normal walking in about six to nine months.