Plastic packaging box produced by utilizing recycled plastic

The invention relates to a plastic packaging box produced by utilizing recycled plastic. The plastic packaging box comprises a box body and a cover body matched with the box body in a buckled mode, the cover body comprises a cover frame and a plurality of cover plates, the cover frame is detachably arranged on the outer wall of the box body, the cover plates are arranged on the cover frame in a clamped mode, and the plurality of cover plates are sequentially arranged to jointly seal the hollow part of the cover frame; and a plurality of sockets matched with the side edges of the cover plates in an inserted mode are fixedly connected into the box body, the sockets are in a long strip shape and are arranged in the depth direction of the box body, the sockets are distributed on the two opposite inner walls of the box body, and the shortest connecting line of every two opposite sockets is parallel to a splicing seam of every two adjacent cover plates. The packaging box has the effects that the cover plates can be