NOVELTY - New multifunctional biomass high-efficiency and energy-saving furnace, comprises furnace body and flue, where inner wall of the furnace body is surrounded with an interlayer forming inlet channel.    USE - The multifunctional biomass high-efficiency and energy-saving furnace is useful for cooking, frying, bath, warming and roasting in villages.    ADVANTAGE - The new multifunctional biomass high-efficiency and energy-saving furnace has the structural features of using all given heat sources to add the availability factors of the furnace. It is tested that the thermal efficiency of this utility model achieves more than 50% which is greatly higher than prior furnaces. It has high thermal efficiency, it saves energy and time and it does not use electricity. Synchronously it is able to generate plenty of hot water when the furnace is used.    DETAILED DESCRIPTION - New multifunctional biomass high-efficiency and energy-saving furnace, comprises furnace body and flue, where inner wall of the furnace body is surrounded with a interlayer forming inlet channel; middle of the furnace body is set with grate; the cavity above the grate is internal furnace; sidewall of the internal furnace has charge port; the charge port is provided with cover; the cavity below the grate is ash outlet chamber; the ash outlet chamber has ash outlet port; the ash outlet port has active air distribution door; the upper part of the interlayer has combustion-supporting holes; the lower part of the interlayer has air inlet holes connected with the ash outlet chamber; the upper part of the furnace body is provided with furnace end; the outer side of the furnace end has fire damper ring; ring pipe coil is between the fire damper ring and furnace end; two ends of the ring pipe coil has water inlet and outlet; the fire damper ring is assembled with heating disc.    DESCRIPTION OF DRAWING(S) - The drawing shows a front view of the multifunctional biomass high-efficiency and energy-saving furnace.