The bottom of the cigarette case is printed with a small five-star face. Five-star small Su Yan full steel seal refers to the printing of five-star brand trademarks, which are generally printed at the bottom of cigarette cases. This trademark is an important symbol of five-star brand cigarettes, which can prove the authenticity and quality of cigarettes. Therefore, the five-star Xiao Su cigarette is printed on the bottom of the cigarette case.