First of all, you need to buy a cat litter basin suitable for cats, as large as possible and as deep as possible. Choose the cat litter that cats like and put it in a safe and hidden place away from food and drinking water. Secondly, put cat urine and cat excrement in the litter box, so that the smell of cat excrement stays in the litter box;

Furthermore, when the cat shows a desire to defecate, such as squatting down and tilting up, it is necessary to immediately hold the cat to the litter box and wait for it to defecate, then pick up the cat's front paws to scrape the litter to cover up its excrement, and repeat this action repeatedly to make the cat form a habit;

Finally, it is necessary to keep the cat litter basin dry, clean up the cat's excrement in time and disinfect it regularly to avoid the spread of pathogenic bacteria.