To provide a soap detergent which comprises a detergent element comprising a nonionic surfactant ingredient such as a fatty acid sodium salt or a fatty acid potassium salt and a saponification agent element comprising a silicate mixture, the so-called soap detergent having a saponification ability, and can convert stains such as oily stains into soaps by the saponification ability of the soap detergent to clean the stains and so on, different from conventional detergents such as conventional synthetic detergents which simply peel off the stains such as the oily stains.

This soap detergent characterized by, basically, mixing a detergent element comprising a nonionic surfactant ingredient such as a fatty acid sodium slat or a fatty acid potassium salt with saponification agene element comprising a silicate mixture.