The utility model discloses a kind of paper tray general bubble pressing mould, it is related to packaging material production equipment technical field;Including: bubble pressing top plate, for connecting press;Longitudinal bubble pressing strip, it is provided with two, longitudinally installed in the lower end of the bubble pressing top plate, and the transverse position on the bubble pressing top plate can be adjusted;Transverse bubble pressing strip, it is provided with two, transversely installed in the lower end of the bubble pressing top plate, and the longitudinal position on the bubble pressing top plate can be adjusted;Wherein, two the longitudinal bubble pressing strip and two the transverse bubble pressing strip form enclosed shape.This utility model can be compatible with multiple sizes of paper tray, production change only needs to adjust the position of longitudinal bubble pressing strip and transverse bubble pressing strip, without replacing mould, to reduce the change time, improve production efficiency, and when corresponding product is discontinued, without scrapping, still can continue to use, can reduce mould cost.