The multifunctional barbecue oven comprises an oven body, first partition plates, a barbecue frame and a grid plate, the first partition plates are symmetrically arranged in the oven body, the barbecue frame is placed at one ends of the first partition plates, and the grid plate is placed at the other ends of the first partition plates; the oven comprises an oven body, a storage box and a lifting assembly, the storage box is arranged below the oven body, and the lifting assembly is arranged in the storage box and used for controlling the oven body to ascend and descend. According to the multifunctional barbecue oven, the first partition plate, the grill and the grid plate are arranged, so that the oven body has multiple functions of skewering, baking, boiling tea and the like, heat generated during charcoal combustion is reasonably utilized, the temperature of the outer side of the oven body is reduced, and a user is prevented from being scalded; and the storage box is arranged, so that the oven body can be stored in the storage box when the oven body is not used, the overall occupied space is reduced, and carrying and transportation are convenient.