The invention discloses an energetic material product full-constraint packaging box capable of being assembled automatically, and belongs to the technical field of automatic production equipment of energetic materials. The energetic material product full-constraint packaging box comprises a box base, a box cover, an elastic support, a heat preservation constraint filling piece and a buckling lock,wherein the box cover is arranged on the box base, the upper surface of the box base and the box cover form a containing cavity for containing the energetic materials, a fixed base is arranged on theupper surface of the box base, the heat preservation constraint filling piece is arranged inside the box cover, a super-elastic cushion layer matched with the fixed base is arranged on the heat preservation constraint filling piece, the buckling lock comprises a hook and an elastic lock catch matched with the hook, the hook is installed on the side wall of the box cover, and the elastic lock catch is installed on the side wall of the box base. According to the packaging box, the energetic materials can be conveniently and automatically assembled into a packaging box structure, and meanwhile,manual opening and assembly can be facilitated.