The invention provides a control method for an electric kettle. The control method includes the steps that a control panel acquires the temperature of water in a liquid cavity through a temperature sensor arranged in the liquid cavity, and judges that whether or not the acquired temperature is smaller than a preset temperature; if no, the control panel controls a heating plate to start heating until the water in the liquid cavity is boiled; if yes, the control panel controls a water pump to start pumping to make the water in the liquid cavity flow into a filter assembly to conduct filtering, and the control panel controls the heating plate arranged at the bottom end of the liquid cavity to start heating until the water in the liquid cavity is boiled. The control method for the electric kettle solves the problem that the water temperature of an existing electric kettle is too high and therefore the filter core of the filter assembly is damaged.