Cats can be very choosy about their litter boxes. A tiny thing may set them off from using their litter box. Is your cat refusing to use his litter box? Well, the cause may lie in the following problems: Keeping your cat’s litter box up to the standard is a very important thing to do, unless you want to live in a house full of cat mess. Here are some suggestions that might help your cat to do their business inside the box: Number of boxes: The general rule of thumb is you have to have one litter box per cat in the house. But it is a good idea to keep one additional so that, they won’t find excuses to do their business outside of the box. You can’t designate each litter box for each cat. Your cats may use randomly. So, it is often normal that one cat not using a litter box because another one has used it. To solve this problem, you’ll have to keep all the litter boxes extremely clean. It’s also a good idea to place the litter boxes throughout your house, not in one