Comprehensive treatment method of wastes in slaughtering process of meat duck

The invention discloses a comprehensive treatment method of wastes in the slaughtering process of a meat duck, which comprises the following steps: firstly, fermenting the discharged solid wastes to generate methane; and secondly, using discharged sewage to purify artificial wetlands. By adopting the method, matters and resources among industries are utilized in a cascade manner, a biomass industry chain is lengthened, and the pollution of pollutants to meat products and the damage to human health are efficiently controlled, so that the standardization production is achieved, and the food hygienic quality is ensured. The comprehensive treatment method forms a coexisting and interdependent industrial ecological chain, so that biological resources are optimally configured, and the economic and ecological multiplication effect is converted, thereby having good social benefit and economic benefit.