ceiling paper according to the present invention and fig9 through 16 illustrate exemplary embodiments of wallpaper according to the present invention fig1 illustrates an embodiment of indoor decoration by using an indoor decorative paper of the invention as shown in fig1 the ceiling paper illustrated in fig1 is pasted on the ceiling and the wallpaper illustrated in fig9 and 16 is pasted on walls referring to fig1 through 8 the ceiling paper has no distinctive patterns in upper and lower parts the pattern can be composed of a variety of designs and colors or can be embossed moreover the front surface of the ceiling paper can have one single color with no pattern this type of ceiling paper has no distinction in every direction so it provides people with a feeling of stableness on the other hand the wallpaper illustrated in fig9 through 16 has distinctive patterns between upper and lower parts as shown in fig9 through 16 distinctive upper and lower patterns do not necessarily indicate that the patterns are all upside down or inclined but indicate that the patterns are where they are supposed to be therefore by decorating the walls and the ceilings with these wallpapers and ceiling papers people feel more secure and are emotionally stable the patterns of the wallpaper can be composed of a variety of designs and colors or one single color moreover the front surface of the ceiling paper can have one.