The present invention relates to a steam generator system (1000), a control method and a household appliance. The steam generator system (1000) comprises: a steam generator (100) comprising a housing (1) having a water inlet (13) and a steam outlet (14), and a heating element (3) provided in the housing (1); a water pump (300) connected between a water tank (200) and the water inlet (13); a water softener (400), wherein the water tank (200), the water pump (300) and the water inlet (13) are in communication with each other to form a water inlet pipeline, and the water softener (400) is connected to the water inlet pipeline in series.