To provide a decorative bag in which a pattern of a recess shape is attached to an outer surface of the bag and which has excellent design properties and to provide the decorative bag having excellent design properties by laying a colored layer such as a gold foil layer or the like in the pattern of the recess shape.

The decorative bag comprises the pattern 3 of the recess shape attached to the outer surface of the bag, and the color layer 4 such as the fold foil layer or the like laid in the pattern 3 of the recess shape in such a manner that they are conducted by ultrasonic vibration-working.