NOVELTY - Device comprises feeding mixer (1), conveyor (2), fermentation tower (3), scraper driving device (6), blower (8), heating device (9), exhaust fan (14), waste gas processing device (15), central discharging tray (16), periphery of the discharge tray, rotating disc type granulator, driving device, return conveyor (26), granulating agent adding device and spiral conveyor.    USE - As device used for organic solid waste treatment (claimed).    ADVANTAGE - The device is harmless and reduces solid waste, control residence time, and is environmental friendly.    DETAILED DESCRIPTION - Device, comprises feeding mixer (1), conveyor (2), fermentation tower (3), scraper driving device (6), blower (8), heating device (9), exhaust fan (14), waste gas processing device (15), central discharging tray (16), periphery of the discharge tray (17), rotating disc type granulator (24), driving device (25), return conveyor (26), granulating agent adding device (27) and spiral conveyor (28), where the upper part of the fermentation tower is provided with sealing cover (5), the rotating disc type granulator is set in the fermentation tower, the feeding mixer through the conveyor and the sealing cover of side surface (4) is connected, the central discharge tray is set with scraper, the periphery of the discharging tray is set to external scraping plate (20), and scraper and the outer plate are installed on the transmission shaft (7), the sealing cover is the center of the top is provided with a scraper driving device, the fermentation tower is provided with a center discharge tray more than two groups and the peripheral discharging tray, and a central discharging tray and peripheral discharge tray is a group.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic diagram of organic solid waste aerobic compost device.    Feeding mixer (1)    Conveyor (2)    Fermentation tower (3)    Scraper driving device (6)    Blower (8)    Heating device (9)    Exhaust fan (14)    Waste gas processing device (15)    Central discharging tray (16)