The invention discloses a stirring cage with a solid-liquid separating function. The stirring cage comprises a collecting box and a solid-liquid separating stirring cage. A material hopper is arrangedat the upper portion in the colleting box. A feed port is connected with the material hopper. The bottom of the material hopper is communicated with an inlet of the solid-liquid separating stirring cage. The solid-liquid separating stirring cage comprises a filter screen cylinder and a stirring cage shell. The filter screen cylinder is located on the inner side of the stirring cage shell, and a discharge port is formed in the tail end of the filter screen cylinder. A stirring cage blade is arranged in the filter screen cylinder, and the tail end of the stirring cage blade is in transmission connection with a stirring cage motor mechanism. The stirring cage shell is connected with a sewage discharge pipe at the bottom of the collecting box. By means of the stirring cage with the solid-liquid separating function, excrements enter the material hopper with a hopper-shaped mouth, lots of water is primarily removed, then the excrements are conveyed through the stirring cage blade, part of water is then removed through a filtering outer cover with lots of small holes, the excrements attached to the small holes can be removed by a scraper moving back and forth, and it is ensured that water is sufficiently removed.