The utility model discloses a constant humidity is guaranteed quality cigarette and is used interior slip sheet, it includes interior slip sheet body, wherein, it has ceramic powder to distribute in the interior slip sheet body. The utility model discloses an including add in the papermaking paper pulp of slip sheet ceramic powder can make have the constant humidity, the cigarette of the xiang gong of guaranteeing the quality ability uses interior slip sheet. Adopt this cigarette with interior slip sheet packaged cigarette product, can realize that the cigarette product leaves high temperature, and high humidity environment lower time in can absorption moisture, and can release moisture when depositing in low temperature, low humidity environment lower time, can not reduce the quality of cigarette because of the length of resting period and environmental facies to the difference of humidity, temperature. Thereby can balance cigarette product moisture effectively, keep the quality of cigarette product.