Mold is an essential product in the tire production process, and the quality of the mold directly affects the quality of the tire. The tire molds all have patterns and logo patterns, which are delicate carving techniques. However, molds are repeatedly used under high pressure and high temperature conditions, and inevitably suffer from comprehensive deposition pollution from rubber, vulcanization, and release agents (the main pollutants are sulfides, inorganic oxides, silicone oil, carbon black, etc.). Rubber and residues are easily accumulated in patterns, grooves, and other areas, and when accumulated to a certain extent, it will affect the surface shape of the tire, making the product defective or scrap, So it is necessary to regularly clean the mold to ensure its surface cleanliness, in order to ensure the quality of the tire and the lifespan of the mold.