The invention relates to a multifunctional cooking machine. It includes a casing, and a partition seat is arranged in the casing, and the casing is divided into a heating cooking chamber, a lampblack circulation chamber, and an electrical installation chamber by the partition seat. The heating and cooking chamber is equipped with an electromagnetic induction heater, a pot body and a cooking knife. The oil fume circulation chamber is connected with the heating and cooking chamber, and a detachable cooking knife holder is arranged on the separation seat, and the cooking knife is installed on the separation seat through the cooking knife holder, and the cooking knife extends into the pot body, and a cooking motor is arranged in the electrical installation chamber , The motor shaft of the cooking motor is driven and connected to the pot body, a heating device is arranged in the oil fume circulation cavity, and a oil fume circulation fan for circulating oil fume is arranged in the casing. The cooking machine of the present invention designs the cooking knife as a fixed type, and the pot body is driven by a cooking motor to rotate. When the pot body rotates, the cooking knife continuously stirs the vegetables in the pot, so that the stir-frying effect of the stir-frying knife is better, and the stir-frying effect is better. It is more full and increases the taste of the dish.