The utility model provides a novel foam christmas ornament lamp, includes the lamp body, the lamp body is formed by the processing of foam material, be equipped with lamp strip assembly chamber and electric wire assembly chamber in the lamp body, the lamp strip that is equipped with inlays in lamp strip assembly intracavity portion, the lamp strip is connected with the electric wire, the electric wire assembles the chamber by the electric wire and extends to the lamp body outside, the other end of electric wire is connected with the switch, lamp body uniform distribution has the decorative layer, the lamp body surface still distributes there be big quartzy piece and the brilliant piece of decorating of urine decorated, the big quartzy piece of decorating is plastics with the brilliant material of decorating the piece of urine, the utility model discloses a material of lamp body is the foam, has advantages such as the quality is light, the heat -proof quality good, be difficult for breaking, still helps light in the inside conduction of foam, the utility model discloses still set up decorative layer, the quartzy piece of decorating on the lamp body surface, not only improved pleasing to the eye degree, still improved decorative effect, the utility model discloses still have advantages such as simple structure, production simple process, low in production cost.