The utility model relates to the technical field of food steam. The utility model relates to a steam generator system. The system comprises an evaporator, a hot water tank, a separator, a steam storage tank, an auxiliary evaporator, a first plate heat exchanger and a second plate heat exchanger, the first plate heat exchanger is connected with the hot water tank and the second plate heat exchangerwhich are both connected with the auxiliary evaporator, the auxiliary evaporator is connected with the evaporator, the evaporator is connected with the separator and the steam storage tank, and the steam storage tank is connected with the separator. The utility model has the benefits that the evaporator is connected with the industrial steam inlet pipe, the first plate heat exchanger is connectedwith the compressed air inlet pipe, the second plate heat exchanger is connected with the softened water inlet pipe, the upper end of the hot water tank is connected with the connecting pipe connected with the outside, the side edge of the hot water tank is connected with the water tank ultralow liquid level alarm, and the structure is simple, safe and reliable.