NOVELTY - A dry anaerobic fermentation device for organic waste which is a plug flow horizontal fermentation device, comprises a horizontal fermentation device, a stirring device, a forcible feeding device, a heat exchange device, a temperature measuring device, a temperature control-insulating device, a control device, a methane liquid reflow spraying device, and a pH value, oxidoreduction electric level and water measuring device; where the horizontal fermentation device comprises a feeding opening, a discharging opening, and a stirring device passing through the whole tank body.    USE - The dry anaerobic fermentation device is useful for organic waste (claimed).    ADVANTAGE - The dry anaerobic fermentation device has scientific, rational and practical technique.    DETAILED DESCRIPTION - A dry anaerobic fermentation device for organic waste which is a plug flow horizontal fermentation device, comprises a horizontal fermentation device, a stirring device, a forcible feeding device, a heat exchange device, a temperature measuring device, a temperature control-insulating device, a control device, a methane liquid reflow spraying device, and a pH value, oxidoreduction electric level and water measuring device; where the horizontal fermentation device comprises a feeding opening, a discharging opening, and a stirring device passing through the whole tank body; the stirring device is connected with multiple stirring arms; the stirring device is electrically connected with the control device; the material inlet of the feeding opening of the horizontal fermentation device is set with a forcible feeding device; the forcible feeding device is electrically connected with the control device; the horizontal fermentation device is set with a heat exchange device; the temperature measuring device is mounted in the horizontal fermentation device and electrically connected with the control device; the control device is electrically connected with the circulation pump; the methane liquid reflow spraying device and the temperature control-insulating device are at the outer wall of the horizontal fermentation device; and the pH value, oxidoreduction electric level and water measuring device is mounted in the horizontal fermentation device through a probe.    DESCRIPTION OF DRAWING(S) - The drawing shows a sectional view of the dry anaerobic fermentation device for organic waste.