Poultry excrement dehydration function each kind of poultry excrement water separation for liquid state organic fertilizer and solid state organic fertilizer. The liquid state organic fertilizer may use in the crops use absorption directly, the solid state organic fertilizer may transport to lacks the fat local use, may also play the improvement soil structure the role, simultaneously the process ferments may make organically compound fat.  , the material through the screen and then press by the screw , the rotary speed of the machine can reach 45r/min , within the press of the screen and high rotary speed , the material will be dewatered by the machine , and the water will enter into the pool through screen.