Environment-friendly packing box

The invention provides an environment-friendly packing box, which comprises a box body plate and a reinforcing rib net, wherein the inner wall surfaces of the box body plate are all fixedly connectedwith the reinforcing rib net through screws; the front end of the right side of the box body plate is fixedly connected with moving wheels; the rear side of the moving wheels is provided with a fixingplate; the box body plate comprises a moisture-proof layer, a thermal insulating layer and a spring; the bottom end of the moisture-proof layer is fixedly connected with the thermal insulating layer,the bottom end of the thermal insulating layer is fixedly connected with the spring, and the moisture-proof layer and the thermal insulating layer are arranged horizontally and symmetrically along the middle part of the box body plate. According to the invention, the whole structure is stable in structure, the deformation resistance is strong, the occupied area is small when storage, the thermalinsulating effect is good, t