PURPOSE: To obtain a method for simply imparting pattern full of originality to an object to be decorated.

CONSTITUTION: After a patterning paper 7a, the size and shape of which is determined, is pasted through a rule plate to a picture frame part 2, which is formed on an object to be decorated, the surface of the patterning paper 7a is closely protected with a potting cover 5 so as to constitute to impart the pattern of the patterning paper 7a to the picture frame part 2 of the object to be decorated, allowing to use a freely selected pattern including a souvenir picture for the pattern as an object to be decorated, and provide a method for imparting a pattern full of originality. In addition, since neither working operation nor skilled technique is required and the method can be performed easily even by a unspilled hand, the method is most suitable for hand-made souvenir and gift.