KTV balloon arrangement is a commercial public place, which can learn from the commercial balloon decoration in Fang Yun, but the white pajamas party can use contrasting colors such as black, white and gray, or similar light colors; Pay attention to which colors should be close to the 28 principle, and there are primary and secondary points; The effect of the activity will be more obvious. Secondly, we need to pay attention to the influence of indoor lighting in KTV on the color of clothes.