Self-leveling mortar is a kind of special dry mix mortar product with the function of leveling and self-compacting. Its self-leveling and self-compacting ability is very important to achieve a smooth and seamless ground layer. Good self-leveling products, first of all, should have the appropriate operability, in the construction time to maintain leveling and self-healing ability; Secondly, there should be a certain strength, including the bearing capacity and the binding force on the substrate, which is the basis for the normal application of floor materials.