Food processor with optimized drainage structure and control method thereof

The invention relates to the technical field of food processing, in particular to a food processor with an optimized drainage structure and a control method of the food processor. The food processor comprises a main machine, a processing cup assembly and a drain valve, the processing cup assembly is provided with a processing cavity for pulping, the drain valve comprises a valve shell, a valve element and a driving device, and the valve element is arranged in the valve shell and can be driven by the driving device to move relative to the valve shell. The valve shell comprises a slurry discharge port and a waste discharge port which are communicated with the outside, the driving device can drive the valve element to a first conduction position, a second conduction position and a closing position, the processing cavity is communicated with the slurry discharge port in the first conduction position, the processing cavity is communicated with the waste discharge port in the second conduction position, and the pro