Paint some waterproof, and then scraping with the waterproof coating over modulated putty, and then hang the wallpapers according to the Standard Process, all of which makes it difficult to damp off. For anti-fouling and anti-cracking, clean up the wall with a damp cloth, and painted with wallpaper glue in both the back wall and wallpaper to enhance the cohesive force of the wallpaper and the wall. In particular, the patchwork of wallpaper glue Office would like to be increased appropriately, and then smooth out with a clean cloth.