The production of a polyurethane insole, characterized in that: in order to include the following steps: ingredients: preparation of component a and component b and were placed; the next motif (22) on the inner surface of the auxiliary mat to meet the requirements of the polyurethane membrane cover motif (21), and drawn into the vacuum through the suction hole (23) polyurethane film absorption posted in the next motif (22) the corresponding inner surface; component a and component b, mixing, and then mixed mixture into the mold and mold sprue (24) to the mixture in the mold (2) overflow discharge port (25) as to wait for 30 minutes; remove the burr polyurethane insole (1 ), trimming shall be finished. The advantages of the present invention is that the insole its opposite polyurethane surface of the membrane surface, insole use with the soles face pasted together, thereby eliminating the problem of people walking Because foot focal point of the transformation insole sliding.