Why do cats poop on the couch all of a sudden? Is there something wrong with it?

It may be that the toilet was not cleaned in time, or there was a lot of noise next to it, or it was the estrus period. These aspects can be analyzed one by one and measures taken to improve them effectively. Clean up the poop immediately, then disinfect it with an odor disinfectant to cover up the previous smell, put the toilet in a quiet place, and clean it frequently.

Clause. 1. When the cat's nails are long, it will grind its claws by grabbing furniture such as the sofa, so in order to avoid the cat from scratching the sofa, you can cut the cat's nails regularly, but do not do nail pulling surgery. >>>More

It's an animal instinct, a cat wants to hunt, and it uses its claws to sharpen its claws so that it can catch mice or something.

Occupy an area. Cats are territorial-conscious, and different cats may pee on the bed in order to compete for favor, and determine their dominance by delineating their territory through smell. The solution is also very simple, that is, to privatize the utensils of different cats, so that they do not share the litter box, food bowl, toys, etc. >>>More

Cats love clean things very much, at this time you should check whether it is time to change the cat litter, the cat litter is dirty and it will never visit!