Titanium has a wide range of applications in the medical field such as artificial joints, hip, elbow, phacarpal, interknuckles, mandible, spinal orthoses, pacemaker shell, artificial heart, artificial dental implants. Titanium is close to human bones, has good biocompatibility with human tissues, and has no toxic side effects. Human implants are special functional materials closely related to human life and health. Compared with other metal materials, the main advantages of using titanium and titanium alloys are as follows: