Polyurethane (PU) and silicone rubber have been found a wide range of application in medical aspect because of polyurethane has good biological compatibility
excellent mechanical properties
easy processing and controlled properties
and silicone rubber has physiological inertia and biological compatibility etc advantages .This paper has not only introduced their structures and properties
but also their developing condition in medical aspect respectively and their products made according to different uses .At last their developments was looked ahead in future medical treatment .