The perfect combination of bentonite and active carbon, especially the addition of active carbon components, has been proved by experiments that active carbon can effectively absorb aflatoxin, and the harm of aflatoxin has been documented by various families. The cat litter added with active carbon components can effectively absorb aflatoxin, nail and other harmful substances, and can also care for cats that are particularly sensitive to smell, and the active carbon has stronger water absorption, It can quickly absorb the peculiar smell and moisture in the excrement and air. It is fast and unbreakable. It can be cleaned with a shovel without touching the bottom.