Treatment method of breeding wastewater

The invention discloses a treatment method of breeding wastewater. The treatment method comprises the following steps: filtering the breeding wastewater through a press filter to obtain first filtrateand first filter residues; fermenting the first filter residues; granulating to obtain organic compound fertilizer; after carrying out flocculation and sedimentation on the first filtrate, adding activated carbon; after sufficiently stirring and mixing, filtering through the press filter to obtain second filtrate; filtering the second filtrate through a ceramic membrane; carrying out first-time membrane separation on filtrate obtained by filtering through a nano-filtration membrane, so as to obtain water subjected to the first-time membrane separation; returning the water and utilizing the water as water for breeding; intercepting to obtain first-time intercepted water; carrying out an electrodeless hydroelectric dialysis method by adopting an electrode inversion manner to obtain second-time intercepted water; ad