NOVELTY - The system comprises a water tub for separating an anaerobe from the food waste and for collecting the processed food waste. An acid fermenter performs an acid fermentation process by an acid fermentation microorganism. A linkage processing water tub temporarily saves the high quality water and includes a dissolved air flotation unit. An aggregometer supplies the polymer drug to a digestive fluid water storage tank that temporarily stores the high quality water and includes an anaerobic digester. A flow control bath temporarily stores the high quality water.    USE - The system is useful for treating food waste effluent (claimed).    ADVANTAGE - The system can effectively process the food waste with reduced labor intensity and maintenance cost and without generating the bad smell.    DETAILED DESCRIPTION - The system comprises a water tub for separating an anaerobe from the food waste and for collecting the processed food waste. An acid fermenter performs an acid fermentation process by an acid fermentation microorganism. A linkage processing water tub temporarily saves the high quality water and includes a dissolved air flotation unit. An aggregometer supplies the polymer drug to a digestive fluid water storage tank that temporarily stores the high quality water and includes an anaerobic digester. A flow control bath temporarily stores the high quality water flowing into a first settling tank that precipitates the sludge to a lower part, and into a second settling tank. A reaeration tub removes organic compounds from the high quality water. A first anoxic chamber adds nitric acid with the high quality water. A first filter tub temporarily stores the high quality water. A final sedimentation tub precipitates the sludge to the lower part. A sludge dehydrator removes the moisture included in the sludge flowing into a thickened sludge water storage tank. The first settling tank filters the masking number flowing into an ozone contact tank. A second filter tub temporarily saves the high quality water flowing into the ozone contact tank. An active carbon filter injects ozone into the high quality water. A first filter filters the high quality water flowing into the first filter tub and promotes an oxidative degradation of the organic substance contained in the high quality water. The dehydrator makes a dehydration cake in a belt press mode. A supernatant storage tank returns the stored supernatant to the digestive fluid water storage tank. The anaerobic digester comprises a desulfurization unit that washes a sulfur compound contained in a methane gas with water. A biogas moist defogger removes the moisture from the methane gas. A biogas reservoir stores the methane gas. A heat exchanger heats the water to the predetermined temperature. A circulation pump is installed at the acid fermenter. The anaerobic digester comprises a circulation pump for forcibly circulating the water to an upper portion of the anaerobic digester.