The reason why cats jump on walls to poop may be because they have a natural tendency to urinate in high places to show that they are the owners of this place. This behavior usually occurs when cats are active at home, because when living in the wild, they do not have a fixed place to urinate.
In addition, cats jump to the wall to poop. It may also be because their litter box is not clean enough or not enough. Comfort, or a stress response when they feel stressed or uncomfortable. If you find that your cat is behaving this way, it is recommended that you try to clean the litter box, provide them with enough comfortable space, and pay attention to their mood and health.