As the garbage classi cation develops, the comprehensive resource utilization of food waste becomes increasingly essential. Food waste is rich in protein, fat, and carbohydrates, but it also contains a large amount of moisture and salinity with the low dry matter, which leads to the high processing cost. It is inevitable to develop high value-added and comprehensive resource utilization technologies of food waste to promote the sustainable implementation of waste classi cation. With the perspective of high-value resource utilization, this work reviews the anaerobic fermentation of food waste and biomass pyrolysis carbonization technology. And then, it proposed that coupling anaerobic digestion and carbonization of food waste is a signi cant development direction for the future high-value and comprehensive utilization of food waste. Finally, the application of biochar in landscaping has prospected.