A control method for a heating device, the heating device comprising an electromagnetic wave generation module configured to generate an electromagnetic wave signal for heating an object to be processed, the control method comprising: determining or obtaining attribute information of the object to be processed, the attribute information at least comprising food groups, and each of the food groups comprising at least one food variety; determining operating power and/or operating time of the electromagnetic wave generation module according to the attribute information; and controlling the electromagnetic wave generation module to operate according to the operating power and/or the operating time, wherein the attribute information further comprises a feature measure reflecting a weight of the object to be processed, wherein the step of determining operating power and/or operating time of the electromagnetic wave generation module according to the attribute information comprises: matching a power base of the operating power according to the feature measure in accordance with a preset power base correspondence, and matching a power coefficient of the operating power according to the food groups in accordance with a preset power coefficient correspondence; calculating the operating power according to the power base and the power coefficient, the power base correspondence recording power bases corresponding to different feature measures, and the power coefficient correspondence recording power coefficients corresponding to different food groups, characterized in that the heating device further comprises a cavity capacitor including a cavity configured for placement of the object to be processed and a radiation polar plate arranged in the cavity, and the electromagnetic wave generation module is electrically connected with the radiation polar plate of the cavity capacitor so as to generate an electromagnetic wave in the cavity capacitor to heat the object to be processed in the cavity capacitor; and the feature measure is a capacitance of the cavity capacitor. determining or obtaining attribute information of the object to be processed, the attribute information at least comprising food groups, and each of the food groups comprising at least one food variety; determining operating power and/or operating time of the electromagnetic wave generation module according to the attribute information; and controlling the electromagnetic wave generation module to operate according to the operating power and/or the operating time, wherein the attribute information further comprises a feature measure reflecting a weight of the object to be processed, wherein the step of determining operating power and/or operating time of the electromagnetic wave generation module according to the attribute information comprises: matching a power base of the operating power according to the feature measure in accordance with a preset power base correspondence, and matching a power coefficient of the operating power according to the food groups in accordance with a preset power coefficient correspondence; calculating the operating power according to the power base and the power coefficient, the power base correspondence recording power bases corresponding to different feature measures, and the power coefficient correspondence recording power coefficients corresponding to different food groups, characterized in that the heating device further comprises a cavity capacitor including a cavity configured for placement of the object to be processed and a radiation polar plate arranged in the cavity, and the electromagnetic wave generation module is electrically connected with the radiation polar plate of the cavity capacitor so as to generate an electromagnetic wave in the cavity capacitor to heat the object to be processed in the cavity capacitor; and the feature measure is a capacitance of the cavity capacitor. matching a power base of the operating power according to the feature measure in accordance with a preset power base correspondence, and matching a power coefficient of the operating power according to the food groups in accordance with a preset power coefficient correspondence; calculating the operating power according to the power base and the power coefficient, the power base correspondence recording power bases corresponding to different feature measures, and the power coefficient correspondence recording power coefficients corresponding to different food groups, characterized in that the heating device further comprises a cavity capacitor including a cavity configured for placement of the object to be processed and a radiation polar plate arranged in the cavity, and the electromagnetic wave generation module is electrically connected with the radiation polar plate of the cavity capacitor so as to generate an electromagnetic wave in the cavity capacitor to heat the object to be processed in the cavity capacitor; and the feature measure is a capacitance of the cavity capacitor.