Brewing device and brewing method

The invention relates to the technical field of living electric appliances, in particular to a brewing device and a brewing method. The brewing device comprises a machine body, a water storage cup, a water tank and a pump body assembly, and optionally, the water storage cup, the water tank and the pump body assembly are arranged on the machine body; the pump body assembly comprises a pump body, and the pump body is connected with the liquid inlet channel, the airflow channel and the liquid outlet channel; the liquid inlet channel is connected with a water outlet of the water tank, and the liquid outlet channel is connected with the water storage cup, so that liquid in the water tank enters the water storage cup through the pump body; the air flow channel is connected with the water storage cup or the cup, so that the pump body enables air to pass through the air flow channel to change the pressure in the water storage cup or the cup. Liquid in the water tank can be discharged to the water storage cup from the