The invention discloses cat litter with deodorization and desinsectization functions. The cat litter is formed by the following raw materials comprising, by weight, 50-100 parts of attapulgite powder, 10-20 parts of calcium bentonite, 10-15 parts of green tea, 15-30 parts of nanometer magnesia, 15-30 parts of super absorbent resin, 10-15 parts of active carbon, 5-10 parts of sodium polyacrylate, 5-10 parts of Chinese medical stones and 10-15 parts of carboxymethyl cellulose. According to the invention, raw materials for preparing the cat litter are natural mineral resources and inorganic salts which are all easily available, the raw materials are low in price, and are nontoxic and environmentally-friendly, the cat litter has high-efficiency dehumidifying and drying effect, and is characterized by being long in service life, and the cat litter has strong deodorization and desinsectization effect.