The Tofu cat litter's main component of bean curd litter is bean curd residue, which is water-soluble. Most of them are natural plant ingredients, which have excellent inspiratory capacity and can be completely degraded. After use, they can be directly used as fertilizer or poured into the toilet. The raw materials used are food grade materials, non-toxic, nonirritant, nonpolluting, environmentally friendly materials, so it is more safe.