Crossbreeding basin

The utility model relates to the technical field of crossbreeding equipment, in particular to a crossbreeding basin which comprises a device body, a tray structure is connected to the bottom side of the device body in a clamped mode and comprises a water receiving tray, an installation inserting piece is fixedly installed on the bottom side in a tray body of the water receiving tray and inserted into an installation inserting groove, and the installation inserting groove is formed in the bottom side of a water guide cone. Breeding boxes are clamped in the device body, the number of the breeding boxes is twelve, each breeding box comprises a cultivation box body, a breathable net bottom is fixedly installed at the bottom of each cultivation box body, and a cone piercing hole is formed in the middle of the bottom side of each breathable net bottom. According to the utility model, the water guide cone penetrates through the cone piercing hole and extends into the cultivation soil, the ventilation net bottom prov