The overpressing process of concave multi-plate printing combined with foaming. Datang series wallpaper is based on pure wood pulp paper, covered with foam film, and the surface is printed with environment-friendly waterborne ink. Colorful, rich patterns, can be made into a variety of patterns and patterns, with a strong sense of texture, beautiful, durable, easy to paste, the surface does not absorb water, color fastness, stain resistance, scrub resistance.