Plastics are widely applied to ordinary medical consumables for early medical application, including infusion apparatus, injection syringe, blood transfusion apparatus, blood taking needle, surgical dressing and operation towel, and medical gloves. Rapid medical development requires better innovation and progress of medical devices. Models of organs, stents and large diagnostic instruments are heavily dependent on plastics. Complicated body structure and diverse damages make personalized medical demands become a spotlight of the medical industry. Furthermore, 3D printing plus medical plastics make personalized medical service possible. Nowadays, printing models of organs like skull, rib, haunch, thigh, knee, and spine can provide adjuvant therapy. Polytetrafluoroethylene (PFA) is used to fabricate joint prostheses for it has excellent physical performance, lightweight, good stability, self-lubrication and abrasive resistance. The development of medical plastics not only pushes the medical industry forward but also guarantees physical health.