Karen wallpaper will try her best to make group marketing work well. Firstly, Karen will take advantage of her strong market system and huge sales network to promote her products. Then, Karen will make use of celebrity effect and the good relations between Karen and the upper-class and the government to follow up the big group purchase of wallpaper of the major projects, which can generate an influence-related chain reaction for the group buy of Karen wallpaper. Therefore, Karen will maintain a high sales increase in group purchase.