The utility model relates to the technical field of agricultural m achinery, a pepper thresher is provided, including first roller (1), first brush (2), second roller (4), second brush (5), shale shaker (7) and collector (8), this pepper thresher's characteristics lie in, first roller (1) and second roller (4) parallel mutual disposition, and all set up the recess parallel with the axis direction on respective surface, first brush (2) are located one side that second roller (4) were kept away from in first roller (1), cooperate with first roller (1), second brush (5) are located one side that first roller (1) was kept away from in second roller (4), cooperate with second roller (4), shale shaker (7) are located the below of first roller (1) and second roller (4), collector (8) are located the below of shale shaker (7). The utility model discloses can reduce intensity of labour, improve thresh efficiency and product quality, be favorable to reducing the loss of pepper fruit.