The utility model discloses a movable continuous plug-flow dry fermentation device, which comprises a box body, an acidification tank, a spiral propeller, a spray pipe, nozzles and a distributor, wherein the inner part of the box body is partitioned into an integrated cabinet and a leachate collecting tank by a partition board, the spiral propeller is arranged at a discharge hole of the acidification tank, the spiral propeller extends to the bottom in the integrated cabinet, and the distributor is arranged on a discharge hole of the spiral propeller; a discharge hole is formed on the lower right part of the integrated cabinet, and a residue discharge door is arranged on the discharge hole; the spray pipe is arranged on the upper part of the integrated cabinet, and the nozzles are distributed on the spray pipe; and the leachate collecting tank is provided with a leachate reflux hole communicated with the integrated cabinet, electric heating pipelines are distributed in the leachate collecting tank, the bottom of the leachate collecting tank is communicated with the spray pipe through a pipeline, and the top of the leachate collecting tank is communicated with the upper part of the integrated cabinet through a marsh gas pipeline. The device is reasonable in design, simple in structure, low in manufacturing cost, convenient to move and high in gas yield, and is suitable for small-scale farms.