Steam control method for garment steamers and garment steamer

The invention provides a steam control method for garment steamers. The garment steamer comprises a pressure hot pot, a pressure switch, a steam switch, an ironing head and an ironing head heating body; and a control device. The control method comprises following steps: S1: the operation time of the pressure switch is reset by the control device; S2: the control device controls the pressure hot pot to perform heating; S3: when the outlet pressure of the pressure hot pot reaches a set pressure value, the pressure switch is started; S4: the control device obtains the frequency of the opening of the pressure switch and steam output of the steamer is controlled according to the frequency of the start-up of the pressure switch and the temperature of the ironing head heating body. The opening and closing of the steam switch is controlled by the control device according to the frequency of the opening of the pressure switch and the temperature of the ironing head heating body so that steam output of the steamer is c