The invention discloses a meat duck farm cesspit and belongs to the technical field of poultry breeding. The meat duck farm cesspit comprises a pit body composed of an upper pit body and a lower pit body in mutual communication, a leaking plate arranged at the lower end of the upper pit body and matched with the inner wall of the upper pit body, an anti-blocking unit movably connected on the leaking plate, a dry-wet separation unit arranged in the lower pit body, a collection pit arranged on one side of the cesspit body, a screw conveyor pit way formed between the bottom of the cesspit body and the collection pit and a screw conveyor arranged in the screw conveyor pit way. The meat duck farm cesspit can realize continuous and efficient dry-wet separation treatment and is reasonable in space utilization and good in duck manure treatment effect.