The invention relates to the technical field of electromagnetic oven products, in particular to an electromagnetic induction heating control circuit based on digital signal processing. The electromagnetic induction heating control circuit comprises a main controller, a rectifier, a chopper based on Buck, an inverter and a load, wherein the output end of the rectifier is connected with the chopper, the output end of the chopper is connected with the inverter, the output end of the inverter is connected with the load, and the main controller is connected with the chopper and the inverter; and the inverter comprises a power MOSFET (Metal Oxide Semiconductor Field Effect Transistor) serving as a switching device as well as a driving and protecting circuit. Through the electromagnetic induction heating control circuit, the quality, safety and stability of an electromagnetic oven can be effectively improved, the service life of the electromagnetic oven can be effectively prolonged, and the cost can be effectively lowered.