The invention relates to a multifunctional storeroom packaging box which comprises a lower cover, an upper cover, a cigarette push-and-pull block and a cigarette pushing device, wherein the upper cover is pivoted with the lower cover; the cigarette push-and-pull block is arranged on the lower cover and is positioned at the joint of the lower cover and the upper cover; the cigarette pushing device is arranged on the lower cover and is used for pushing cigarettes to shift in parallel; the lower cover is provided with a cigarette placing region; the lower cover close to the cigarette placing region is also provided with a storeroom for placing various accessories; the bottom of the storeroom is provided with a first magnet; and each accessory is provided with a second magnet which attracts the first magnet mutually, wherein the cigarette placing region is used for placing cigarettes, and the storeroom is used for placing an ashtray, an MP3, watches, pens, presents, small tobacco pipes, cigarette holders or cigarette lighters, and the like. So the multifunctional storeroom packaging box provided by the invention has the advantages of simple structure and novel design; the defect that the traditional cigarette cases can be used only for placing the cigarettes can be avoided, and the packaging box provided by the invention is multifunctional; and no matter the packaging box is closed or open, the accessories can be taken out, thus users can use the packaging box conveniently.