A cooking device includes a base, a housing, partition walls, a lid, a control module, an exhaust module, a connecting electrode and a heating module. The exhaust module includes an air-filled element, an air-extraction element, an inlet passage and an exhaust passage. The air-extraction element is used to exhaust fog or oil fume generated in the plurality of inner pots. The connecting electrode is arranged in a middle position of the base. The heating module includes: bottom heating units disposed different locations inside a storage compartment of the housing respectively and connected with the processor individually; second heating units arranged on the partition walls and connected with the connecting electrode by wires inside the partition walls; and third heating units arranged on the inner wall of the housing.