The utility model discloses a novel fermentation cylinder, which comprises an outer casing, the top of shell body is provided with the motor, the shell body passes through welded fastening with the motor and is connected, one side of motor is provided with the feed inlet, the feed inlet passes through screw fixed connection with the shell body, the bottom of shell body is provided with the stabilizer blade through welded fastening, the inside intermediate position of shell body is provided with the bull stick, the one end of bull stick is provided with the connecting rod through the screw fixation, the inside one side of shell body is provided with hollow groove, screw fixed connection is passed through in connecting rod and hollow groove, this practical project organization scientific andreasonable, convenience safe in utilization, should be novel can the disease -resistant drought -resistance of effectual improvements crop, low as its harm to soil of organic fertilizer, the use of hermetically sealed ferment such as mashed fruit thick liquid, when having enriched originally neotype nutrition content, saving cost, changing waste into valuables. Alum has certain water -retaining property, nontoxicity and innocuousness.