Fuente: WIPO "circular economy" The invention discloses a livestock and poultry wastewater resource algae utilization and purification device, and relates to the technical field of wastewater biological treatment. The algae utilization and purification device for the livestock and poultry wastewater resources comprises an algae treatment box, the algae treatment box comprises a containing box body, the top of the containing box body is fixedly connected with a light-transmitting top cover, the bottom of the containing box body is fixedly connected with a support, and the top of the light-transmitting top cover communicates with an algae collection box; and the top of the light-transmitting top cover communicates with a wastewater feeding pipe, the bottom of the wastewater feeding pipe communicates with a waste residue extraction box, the bottom of the algae treatment box is fixedly connected with a servo motor, and the front face of a bottom support of the containing box is fixedly connected with an electric control box. According to the algae utilization and purification device for the livestock and poultry wastewater resources, by arranging an algae collection box, a layered stirring frame, a wastewater feeding pipe and a waste residue extraction box, the utilization rate of livestock and poultry wastewater is increased, and then the recycling rate of the livestock and poultry wastewater by the device is increased.