The utility model relates to a detachable feeding and metabolizing integrated cage for a sheep, comprising a cage body (1), wherein the cage body (1) is provided with a cage door (2), a feeder box (3) and an automatic drinking bowl (4), and leaking floors (5) are paved on the bottom of the cage body (1); the detachable feeding and metabolizing integrated cage (1) further comprises an excrement collector arranged at the lower part of the leaking floors (5); and the cage body (1) and the excrement collector are movably connected. According to the detachable feeding and metabolizing integrated cage for the sheep, the problems that the floor area is large and the use is inconvenient because the current feeding cages and the current metabolizing cages are manufactured separately are solved.