Domestic titanium and titanium alloy materials, in orthopedics, neurosurgery, cardiovascular system, oral and titanium alloy sheet maxillofacial surgery, cultured outside the human body and other widely used. The past five years, there are a number of enterprises have become the titanium and stainless steel body of the implant manufacturers. Titanium and titanium alloy femoral head, hip, humerus, skull, knee, elbow, shoulder, metacarpophalangeal joints, the jaw and valvular heart, kidney valvular and vascular dilator, splints, prostheses, fastening titanium company screws and other metal pieces of hundreds of transplanted into the human body, and achieved good results, the medical profession to give a high evaluation.