Liquid outlet device, brewing device and brewing method

The invention relates to the technical field of life electric appliances, in particular to a liquid outlet device, a brewing device and a brewing method. The liquid outlet device comprises a liquid containing cup, the liquid containing cup is used for receiving liquid, the bottom of the liquid containing cup is provided with a first liquid outlet and a second liquid outlet, the first liquid outlet is provided with a siphon device, and the second liquid outlet is provided with an opening and closing structure; when liquid in the liquid containing cup is discharged through the siphon device, the opening and closing structure is closed. When the first cup needs to be discharged from the first liquid outlet after brewing is completed, the amount of liquid entering the liquid containing cup is controlled, the liquid level of the liquid in the liquid containing cup exceeds the liquid discharging line of the siphon device, and at the moment, waste liquid can be discharged from the first liquid outlet through the sip