Integrated domestic garbage recycling system and treatment method thereof

The invention belongs to the technical field of domestic garbage treatment, and particularly relates to an integrated domestic garbage recycling system. A garbage storage unit, a breaking and screening unit, a magnetic separation unit and a fermentation unit are successively connected with one another; a gas outlet of the fermentation unit is separately connected with an anaerobic biogas pipelineand an aerobic biogas pipeline, the anaerobic biogas pipeline is successively provided with a first valve, a biogas pretreatment unit and a biogas power generation unit; and the aerobic biogas pipeline is successively provided with a second valve, a biogas purifying unit and a biogas combustion unit. The invention also provides an integrated domestic garbage recycling method. The integrated domestic garbage recycling method comprises the following steps: (1) temporarily storing domestic garbage; (2) breaking and screening the domestic garbage, removing stone gravels, and then removing metal impurities in a magnetic se