Steam generation device and control method thereof, clothes processor and storage medium

The invention provides a steam generation device and a control method thereof, a clothes processor and a storage medium. The steam generation device comprises: a base assembly, wherein the base assembly is provided with a heating area and a heating assembly, and the heating assembly is suitable for supplying heat to the heating area; a water tank assembly arranged on the base assembly, wherein the water tank assembly and the base assembly define a first cavity and a second cavity, the first cavity is in communication with the second cavity, and the heating area is suitable for at least heating the first cavity; a detection assembly arranged in the second cavity; and a controller connected with the heating assembly and the detection assembly, wherein the controller is configured to obtain the temperature value of liquid in the second cavity, determine the heating power of the heating assembly according to the temperature value and a temperature threshold and control the heating assembly to operate at the heati