The utility model provides a compound expanded plastics tray, includes the modified polyethylene sandwich layer of modified polyethylene top layer of glass fiber and foaming, wherein the modified polyethylene top layer cladding of glass fiber is in the outside of the modified polyethylene sandwich layer of foaming. The extexine of tray has higher intensity, and the surface is smooth and stand wear and tear, and inside sandwich layer weight is lighter, has played to subtract heavy effect. The utility model discloses a compound expanded plastics tray's preparation technology is simple, and convenient operation can also retrieve and reuse the product.