The utility model provides an electromagnetic oven, include drain pan (11), coil panel and be located panel (12) at drain pan (11) top, the coil panel is located in the inner chamber of drain pan (11), still including being located electric heater unit (13) on panel (12), electric heater unit (13) are enclosed and are established the outside of pan (2) on panel (12). Thereby make the electromagnetic heating of electric heater unit cooperation pan bottom realize the heat preservation to full pan, improved the heat preservation effect of electromagnetic oven food in to the pan greatly.