Three-dimensional breeding device for breeding urechis unicinctus

The utility model relates to the field of breeding devices, and discloses a three-dimensional breeding device for breeding urechis unicinctus, which comprises a plurality of bodies and a nursery pond, the nursery pond is internally provided with a plurality of bodies, the upper end surfaces of the bodies are respectively provided with connecting buckles close to four opposite angles, and the connecting buckles are connected with the nursery pond. The lower ends of the four connecting buckles are fixedly connected to the upper end face of the body respectively, the upper ends of the four connecting buckles are connected with mooring ropes respectively, the upper ends of the four mooring ropes are connected with hooks respectively, and a containing groove is formed in the position, close to one side, of the center of the lower end face of the body. A plurality of sand penetrating holes are formed in the lower end face, located at the upper end of the containing groove, of the body, and the upper ends of the san