The utility model provides an embedded microwave oven decorative frame and an embedded microwave oven. The embedded microwave oven decorative frame comprises a decorative panel and a plurality of limiting plates, wherein each limiting plate is fixed on a rear plate surface through one end surface; an exhaust port is formed in at least one limiting plate; the embedded microwave oven is arranged on the main body of the microwave oven through the limiting plates. When the embedded microwave oven decorative frame provided by the utility mode is arranged on the main body of a heater of the microwave oven, so that the blocking area of the limiting plates of the decorative frame at the position of a gap between the main body of the heater and the decorative panel is reduced, the exhaust speed of the heat in the main body of the heater can be improved, the temperature raising speed of a door body of the microwave oven and the temperature of the door body after the microwave oven stops working are reduced, the aging speed of the door body of the microwave oven is slowed down effectively, the service life of the microwave oven is prolonged, the selection requirement on the material of the door body of the microwave oven can be reduced, and the production cost can be saved.