The utility model discloses a cigarette packet box that can openly open through the upgrading to cigarette packet box, can make things convenient for taking out of cigarette, especially when a cigarette demand is great, also satisfies the demand of cigarette. The utility model discloses a set up a cigarette fixed mould utensil at the packing carton through openly opening the inner wall, a cigarette fixed mould utensil size is unanimous with the cigarette case inner wall, is being the arc with a cigarette contact segment, and the curved bore of mould is unanimous with a cigarette diameter to cigarette in the fixed cigarette case is avoided when getting cigarette, and the cigarette is crooked in the box, conveniently takes out cigarette, when effectively having avoided simultaneously a cigarette landing or cigarette less, cigarette round trip movement in the cigarette case leads to the pipe tobacco to leak the waste that causes, through the magnetic substance openly setting up two interattractions, the fragrance and the water loss of cigarette are avoided to quick opening -closing cigarette case. This package box structure is simple, convenient to use.