PURPOSE: A home water softener is provided to perform convenient clean and reproduce processes successively, and to offer clean and good quality of soft water by changing a filter with reduced maintenance and management time and cost. CONSTITUTION: A manufacturing method of a home water softener(2) includes the following steps of: mounting a first filter body(12) and a second filter body(14) on both ends of an ion-exchange resin tank(10); installing a salt water inlet pipe(22) having a first valve on an upper inlet of the ion-exchange resin tank; installing a raw water inlet pipe(24) having a second valve; installing a connecting pipe between a second port and a first port; installing a first bypass pipe(28) on the second port of the second filter body; forming a third valve on the first bypass pipe between the second port and the ion-exchange resin tank; a cleaning water discharge branched pipe(38) connected with a soft water discharge branched pipe(36); and forming a lower outlet on a second bypass pipe on the ion-exchange resin tank.
