The invention relates to a resealable packaging box, which comprises a square outer box, a square inner package, and a sticker. The outer box includes a lower box body and an upper box cover. They are the front sealing area, the rear sealing area, the left sealing area and the right sealing area respectively. The rear side of the label is fixedly pasted on the rear sealing area, and the front side is fixedly pasted on the inner side of the front wall of the upper box cover. The inner surface of the pasting label can cover the opening, and The areas corresponding to the inner surface, the front sealing area, the left sealing area, and the right sealing area are respectively the second area, the third area and the fourth area, and the second, third, and fourth areas are provided with the first adhesive that can be pasted repeatedly An adhesive coating, the first adhesive coating in the second area is also provided with a detackifying coating, the detackifying coating is made of a detackifying material dispersed on the first adhesive coating, and the detackifying material forms Non-continuous surface, the visbreaking material has no adhesive force, or the viscous breaking material and the inner packaging have little adhesive force.