NOVELTY - The device comprises a feeding port (1), a fermentation tank (2), a deodorizing and fermenting a micro-organism storage tank, a blowing device (4), a heavy metal adsorbent (5), a rotary kiln (6), a dryer, a crushing device, a rotary drum granulator, a packing machine, a storage tank, a tail gas recovery device, an antagonist biological agent fermented solution storage tank, and a sealing cover. The fermentation tank, the rotary kiln, the dryer, the crushing device, the rotary drum granulator and the packing machine are connected through a pipeline.    USE - The device is useful for making domestic sludge into fertilizer.    ADVANTAGE - The device is capable of simply and economically making the domestic sludge in an environmentally friendly manner.    DETAILED DESCRIPTION - The device comprises a feeding port (1), a fermentation tank (2), a deodorizing and fermenting a micro-organism storage tank, a blowing device (4), a heavy metal adsorbent (5), a rotary kiln (6), a dryer, a crushing device, a rotary drum granulator, a packing machine, a storage tank, a tail gas recovery device, an antagonist biological agent fermented solution storage tank, and a sealing cover. The fermentation tank, the rotary kiln, the dryer, the crushing device, the rotary drum granulator and the packing machine are connected through a pipeline. The fermentation tank is provided with the feeding port and connected with the deodorizing and fermenting the micro-organism storage tank. The rotary kiln is provided with the blowing device and connected with the heavy metal adsorbent. The crushing device is connected with a fertilizer storage tank. The tail gas recovery device is connected to the crushing device that is connected with the dryer. The antagonist biological agent fermented solution storage tank is connected with the rotary drum granulator. The sealing cover is set in the rotary drum granulator.    DESCRIPTION OF DRAWING(S) - The diagram shows a schematic view of a device making domestic sludge into fertilizer.    Feeding port (1)    Fermentation tank (2)    Blowing device (4)    Heavy metal adsorbent (5)    Rotary kiln. (6)