NOVELTY - Processing two-phase anaerobic kitchen garbage, involves: 1) taking garbage in truck, removing oil and grease, recycling separated waste, crushing separating system; 2) crushing garbage, making waste slurry, adding buffer; 3) separating heavy material in a hydrolysis acidification hydrolysis tank; 4) hydrolyzing slurry in acidification hydrolysis tank, heating fermentation tank; 5) obtaining anaerobic fermentation marsh gas and biogas residue; and 6) adding flocculating agent in fermented biogas residue, recycling obtained biogas residue and biogas slurry.    USE - For processing two-phase anaerobic kitchen garbage (claimed).    ADVANTAGE - The method is a two-phase anaerobic technology, which can effectively avoid high concentrations of anaerobic fermentation of organic waste by easier acidification phenomenon; and provides improved efficiency of gas production.    DETAILED DESCRIPTION - Processing two-phase anaerobic kitchen garbage, involves: 1) taking garbage in truck, pouring in receive conveying system having receiving hopper, through the bottom of the hopper of the lengthways shaft-less spiral conveyor is greater than the lengthways screw conveyor of matter intercepting the hopper, conveying to the diameter of the transverse spiral conveyor is less than kitchen garbage of lengthways shaft-less spiral conveyor, then conveying to the lifting spiral conveying machine through the transverse shaft-less spiral conveyor, a lifting spiral conveying machine conveying to the kitchen garbage crushing separating system, where the receive bucket and lifting spiral conveyor with holes, further oil drain water, where the step of removing the oil water separating system and a grease separating, the separated oil of a recycling of the separated waste water and lifting spiral conveyor of kitchen garbage, conveying of crushing separating system; 2) crushing the kitchen garbage in hard material separation, making waste slurry, putting buffer in a buffer system; 3) separating heavy material into a hydrolysis acidification hydrolysis tank; 4) in the hydrolysis acidification hydrolysis tank of waste slurry input heat exchanger, heating fermentation tank into the anaerobic fermentation process; 5) obtaining anaerobic fermentation marsh gas and biogas residue in the multifunctional tank; and 6) adding flocculating agent in fermented biogas residue and doing centrifugal dewatering treatment, recycling further obtained biogas residue and biogas slurry through the desulphurization processing rear of marsh gas.