General staple and subsidiary food stove capable of using multiple fuels

The invention relates to a general staple and subsidiary food stove capable of using multiple fuels. The stove is characterized by comprising a frame, an upper stove body, a lower coal-fired stove body, a burner, a staple food boiler, a subsidiary food boiler and a reflux sleeve, wherein the upper stove body is fixed on the frame; the back end of the upper stove body is connected with an externally-connected chimney; a burner installation transition piece is arranged at the bottom of the upper stove body; when coal or firewood is used, the lower coal-fired stove body is arranged on the lower part of the stove body through a locking device; an ash box is arranged in the lower coal-fired stove body; when pipeline coal gas, natural gas, liquefied petroleum gas or diesel oil is used, the burner is arranged on the burner installation transition piece; the staple food boiler and the subsidiary food boiler can be exchanged on the upper stove body; the reflux sleeve is arranged in a hearth of the upper stove body; and a sleeve wall is provided with a flame outlet hole. The stove has small size, light weight and small floor area, and is convenient to move.