In the roll film packaging anti-counterfeiting label industry, printing equipment is often used to directly print the anti-counterfeiting label on the inner layer of the film when printing on the roll film, so as to achieve the anti-counterfeiting label. With the development of the market, the anti-counterfeiting requirements of various packaging have been further improved, such as food, medicine, pesticides, fertilizers, seeds, cosmetics and other industries closely related to people's lives.