Does your cat use the litter box to urinate but continually poops outside the litter box? first you need to rule out an underlying medical problem. next
Refer to this ask amy article to solve cat pooping outside the litter box. understand why cats poop outside the litter box, and how to solve it.
Cat poop on your floor and not the litter box? consider these reasons and try some of these ideas to see if they work for you.