Abstract: The present application discloses a multi-functional oven, including: a main oven body, an upper cover assembly rotatably connected with the main oven body, a charcoal tray having a plurality of through holes and arranged in the main oven body, a grill disposed above the charcoal tray, a pellet stove assembly cooperating with the charcoal tray, and a gas oven assembly matching with the charcoal tray; the pellet stove assembly comprises a pellet burner located below the charcoal tray and a pellet feeding mechanism for conveying granular fuel to the pellet burner; the gas oven assembly comprises a gas burner located below the charcoal tray, and a gas supply device matching with the gas burner. Which can achieve using charcoal oven mode, pellet stove mode or gas oven mode for barbecuing, therefore, the barbecue oven has a variety of grilling modes.