PURPOSE: To provide a soap-molding device or a tool set for molding soap with which soap can be simply produced in home.

CONSTITUTION: This soap-molding device is composed of a cylindrical mold 2 having a bite 3 at its lower part, a bottom 4 which is inserted from the upper side of the mold 2 into the cylinder until the bottom 4 is bit by the bite 3 to close the bottom of the mold 2, a jacketed vessel 5 to which the mold 2 is inserted from the upper side and a cover 6 for covering the top of the jacketed vessel 5. Further, the tool set for molding soap has a combination of the soap- molding unit and the vessel for mixing the starting materials for soap production. These devices are used to produce a hard solid soap from the hot liquid of soap feedstock safely.