Ceramic tile adhesive (i.e. brush and paste) is widely used for renovating old walls, pasting ceramic tiles, vitrified tiles, glass mosaics, marble, etc. It can also be used for repairing and painting concrete surfaces in new buildings. This type of back coating adhesive has strong permeability and can decompose the residual demolding oil on the concrete surface. Using ceramic tile adhesive can ensure that the tiles do not fall off and the painting does not become hollow. It is an ideal material that is both environmentally friendly and waterproof. It has low cost, simple coating method, and is close to life and reality.