Method for treating livestock and poultry excrement cached in pond

The invention belongs to the technical field of feces treatment, and particularly relates to a pond-pond cached livestock and poultry feces treatment method which comprises the following steps: S1, in-situ construction of a clear liquid extraction pond and a sewage recovery pond, S2, floating or floating heterologous garbage extraction, S3, gravity screening heterologous garbage extraction, S4, feces solid matter extraction, S5, feces sewage extraction, S5, pond-pond cached livestock and poultry feces solid matter extraction, S5, pond-pond cached livestock and poultry feces solid matter extraction, S5, pond-pond cached livestock and poultry feces solid matter extraction, S5, pond-pond cached livestock and poultry feces solid matter extraction and S6, pond-pond cached livestock and poultry feces solid matter extraction. Excrement is extracted for fermentation to form an organic fertilizer, and heterogenous garbage is extracted for classification treatment. According to the method for treating the pond-pond cac