The utility model discloses a carton box which comprises a cuboid box body with one open side. The carton box further comprises a cover plate matched with the open side of the box body, an inner folded edge folded towards the inside of the box body is arranged at the opening position of the box body, and the cover plate and the inner folded edge of the box body are fixed by iron wires or copper wires. The box body comprises an inner lining paper board, an explosion-proof framework and an outer lining paper board which are sequentially bonded. The cover plate comprises an inner lining paper board, an explosion-proof framework and an outer lining paper board which are sequentially bonded. PVC moisture-proof layers are arranged in the inner lining paper boards, one side of the explosion-proof framework of the box body is open, the explosion-proof framework of the box body is an integrally-formed cuboid metal explosion-proof net, and the explosion-proof framework of the cover plate is a planar metal explosion-proof net. Due to the metal explosion-proof nets, fireworks and crackers stored in the box body can be prevented from bursting out of the box body through the metal explosion-proof nets when accidental explosion happens. Meanwhile, the environment in the box body can be effectively kept dry. The carton box is suitable for transportation and storage in moist environments and moist weather.