NOVELTY - A device for garbage fermentation comprises a treatment box (1) that is internally equipped with a filtering net (4) and a fixed plate (9), and has an upper end that is sealed with an upper cover (3); where the interior of the treatment box is divided into upper cavity, middle cavity, and lower cavity through the filtering net and the fixed plate; the lower cavity of the treatment box is internally equipped with a motor (7); the motor can be used for driving central shaft (5) to rotate; and the upper end of the central shaft perforates through the fixed plate and the filtering net.    USE - The device is useful for garbage fermentation (claimed).    ADVANTAGE - In the device for garbage fermentation, some available parts of domestic garbage comprising vegetable leaves, pericarp, and leftover can be separated; and the marsh gas can be generated by fermentation; thus, the waste can be prevented and the environment is protected. Moreover, the device has rational design, simple structure, easy operation, and wide application to vegetable market and residential area of township.    DETAILED DESCRIPTION - A device for garbage fermentation comprises a treatment box (1) that is internally equipped with a filtering net (4) and a fixed plate (9), and has an upper end that is sealed with an upper cover (3); where the interior of the treatment box is divided into upper cavity, middle cavity, and lower cavity through the filtering net and the fixed plate; the lower cavity of the treatment box is internally equipped with a motor (7); the motor can be used for driving central shaft (5) to rotate; the upper end of the central shaft perforates through the fixed plate and the filtering net, and extends to upper cavity of the treatment box; the stirring cutter (6) is sleeved on the shaft body of the central shaft at the upper cavity of the treatment box; the middle cavity of the treatment box is connected to a fermentation tank (2) through a connection pipe (11); and the fermentation tank is closely set to the treatment box.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of the device for garbage fermentation.    Treatment box (1)    Fermentation tank (2)    Upper cover (3)    Filtering net (4)    Driving central shaft (5)    Stirring cutter (6)    Motor (7)    Fixed plate (9)    Connection pipe (11)