The utility model provides a steam generator for cooking kitchenware. The steam generator comprises a heating part, a steam output part and a
water supply part, the heating part comprises a heating cavity and a
heating element; the heating cavity is of an oval tank structure, the end face of the heating cavity is oval, and the
heating element and the steam output part are arranged in the
long axis direction of the oval of the heating cavity. The heating cavity is divided into an upper half part cavity and a
lower half part cavity along the
long axis direction; the upper half part cavity and the
lower half part cavity are integrated; the
lower half part cavity is a
water storage cavity, and the upper half part cavity is a steam storage cavity; the
heating element is arranged in the
water storage cavity, the
water supply part is communicated with the
water storage cavity, and the steam output part is communicated with the steam storage cavity; the oval heating cavity is adopted, the initial water amount is smaller than that of a cylindrical heating cavity, and under the heating of the
electric heating rod with the same power, less heat is needed when water is heated to generate steam.