The invention discloses decorative wallpaper convenient for peeling. The decorative wallpaper convenient for peeling comprises a paper body, a strength coating layer, gas transmission channels, and main installation binding adhesive tapes; main decorative strips are arranged on the front surface of the paper body, and the main decorative strips are fixedly connected with the paper body; the external side of each main decorative strip is provided with an auxiliary decorative strip; the auxiliary decorative strips are fixedly connected with the paper body, and are designed to penetrate the maindecorative strips; the left ends of the auxiliary decorative strips are provided with corner strips; the decorative wallpaper is fixedly arranged on walls using the main installation binding adhesivetapes; gas can be introduced into the gas transmission channels using a gas valve, so that wallpaper expansion is realized, the bonding force between the decorative wallpaper and the wall body is reduced, and at the same time, the main installation binding adhesive tapes can be removed using easily peeled pasters; operation is simple; no wallpaper residue is left after changing of wallpaper; bothtime and labor intensity are saved; wall body scratches are avoided; the strength and toughness of wallpaper are increased using strengthening ribs and elastic yarn columns; waste paper residue left because of fracture in wallpaper changing is avoided, and wall appearance is not influenced.