The glue evolved from food packaging glue. The polymer chain contains softened segments and is very soft. It does not need to be added or mixed with plasticizers such as DBP, so there is no plasticizer migration, volatilization, pollution and other problems. Therefore, it is very hygienic, safe and non-toxic. At the same time, the adhesive has good adhesion and good adhesion to paper. It can be used in high-speed cigarette making machines. It has the characteristics of hygienic and non-toxic, no peculiar smell, and no peculiar smell when the cigarette is smoked. At the same time, it has the characteristics of hygiene, environmental protection and non-toxicity to ensure the safety of the product.