Book type packaging box

The utility model discloses a book style packing box and relates to the technical field of packing boxes, the side wall of a packing box main body is provided with a fixing groove, the side wall of the packing box main body is internally provided with a first cavity at one side of the fixing groove, and the first cavity is internally provided with a first limiting plate; a first spring is arranged at the position, on one side of the first limiting plate, in the first cavity, a first clamping piece extending into the fixing groove is installed on the other side of the first cavity, the first clamping piece is clamped into the first clamping groove of the fixing piece of the side piece so as to fix the upper cover, and the fixing mode of a buckle and an elastic binding rope between the first clamping piece and the side piece is replaced. The service life of the spring is longer than that of the elastic binding rope, the fixing mode is simple in structure, the inner cavity of the packaging box body is equally di