Combined type plastic packaging box

The utility model discloses a combined plastic packaging box, which belongs to the technical field of plastic packaging boxes and comprises a box body, a box cover is arranged at the upper end of the box body, a lifting handle is arranged in the middle of the upper end of the box cover, fixing blocks are arranged on two sides of the lower end of the box cover, and fixing grooves are arranged on two sides of the upper end of the box body and correspond to the fixing blocks. Through the arrangement of the fixing assembly, when the box cover is installed, the clamping rod is pushed to slide in the fixing frame, meanwhile, the spring is compressed, the box cover is installed at the upper end of the box body, then the clamping rod is loosened, the spring elastically stretches to push one end of the clamping rod to enter a clamping hole in the side edge of the box cover, and the box cover is installed on the box body. And the box cover and the box body are firmer through the arrangement of the fixing assembly, when