The pressure steam sterilization indicator tape is made of medical textured paper as the base material, made of special heat-sensitive chemical dyes, color developers and its auxiliary materials into ink, coated with color-changing ink as a sterilization indicator, and coated with pressure-sensitive adhesive on the back It is printed on special adhesive tape in diagonal stripes; under the action of saturated steam at a certain temperature and pressure, after a sterilization cycle, the indicator becomes gray-black or black, thereby eliminating Bacteria indicator function. It is specially used for pasting on the package of items to be sterilized and used to indicate whether the package of items has been subjected to pressure steam sterilization process, so as to prevent mixing with the package of items that have not been sterilized.