A cooking device includes a base, a housing, a lid, a control module, a heating module and an exhaust module. The heating module includes bottom heating units disposed at different locations inside a storage compartment of the housing. The exhaust module includes an air-filled element, an air-extraction element, an inlet passage, and an exhaust passage used to exhaust fog or oil flume generated in an inner pot(s). An inner surface of the lid is provided with multiple first sealing units, a second sealing unit and a third sealing unit. The third sealing unit is arranged corresponding to an opening of the storage compartment. The second sealing unit is connected with the third sealing unit to divide a region surrounded by the third sealing unit into sub-regions with different sizes. The first sealing units are arranged corresponding to the bottom heating units and in the sub-regions with different amounts.