The invention discloses a self-adhering type paying-off board, a construction method thereof and a portable paying-off board tool kit. The self-adhering type paying-off board comprises a self-adheringbase, a bottom rack, a memory coloring water-absorption sponge and a concave-convex text sponge template, wherein the self-adhering base further comprises an antiskid handle and a self-adhering loopfastener which are fixedly connected with each other; the bottom rack comprises a self-adhering hook fastener corresponding to the self-adhering loop fastener, and the self-adhering loop fastener is adhered to the self-adhering hook fastener in a matched manner; the memory coloring water-absorption sponge is arranged in the bottom rack and fixedly connected with the bottom rack; the concave-convextext sponge template is fixedly connected with the bottom rack. By the structure, the self-adhering type paying-off board is convenient to mount, high in use efficiency, convenient to carry, capableof increasing construction efficiency and capable of saving construction cost.