Chengdu gypsum self-leveling insulation sound insulation mortar is a new type of floor insulation leveling integrated system and floor heating backfill material。It is made of cement, high-strength cement, gypsum composite as cementing material, adding microcrystals, graded aggregates, fillers, dispersible emulsion powder, and various polymer functional additives, etc. It is a new type of material with good fluidity, high early strength, convenient construction, high smoothness, and not easy to crack。