Catheter is a widely used medical apparatus used for clinic nursing, emergency treatment, and cure. By now, the widely clinic used catheters and made by ordinary PVC, natural rubber latex, or silica gel, which have great rubbing coefficient. Therefore, they are easy to be crystallized. Silicon managed latex catheter is a kind of anti bacteria and lubricant catheter, which is design to reduce the defect of those materials mentioned above. It is a new kind of stuff used for relieving the pain and scathe by ordinary catheter. In the mean time, it is convenient for the medical stuff to operate on. The anti bacteria and lubricant catheter solves the problem that the urine salt adhere on the surface of the catheter, causing bacteria to grow on it. And other problems like inserting and pulling out.