Because cats have to go to the toilet in the litter box and bury their own shit, they should start training as soon as possible.
At first, you can put the cat's excrement on the cat litter basin and bury it shallowly. This is to tell the cat with the smell of excrement that it should go to the toilet here.
Generally speaking, cats will look for their own smells. If the cat is still young, after feeding the kitten the Champions League cat food, after fifteen minutes, you can put the cat in the litter box to remind it to go to the toilet. If it doesn't want to, let it play by itself and see if it wants to go to the toilet. Use toys to distract attention first, and then put them in.
If the cat always goes to other places to pee, you can observe which fixed places the cat goes, and then you can put the litter box in that place. This smell will induce the cat to urinate.
If a cat can't use a litter box, it probably won't bury its own poop. At first, it should be scratched with a kitten's paw, and it will be learned in a few times.