Novel disposable carton roaster

The novel disposable paper box roaster comprises a roaster body and a roasting tray, an air outlet is formed in the roaster body, baffles are symmetrically and rotationally connected to one side in the roaster body, a fixing plate is fixedly connected to the tops of the two baffles, a top plate is fixedly connected to the upper end of the other side of the fixing plate, and the top plate is fixedly connected to the other side of the top plate. The lower end of the interior of the oven body is slidably connected with a combustion tray, the oven body, the combustion tray and a baking tray are matched to form the disposable paper box barbecue oven, and when the disposable paper box barbecue oven is used, a plurality of environment-friendly oil tanks can be placed in the combustion tray respectively, so that the requirement of a user for firepower change is met, and the environment-friendly oil tanks can be stored in the combustion tray. Therefore, the disposable paper box roaster has the advantages of being simp