Cats can eat corn kernels. Corn kernels are vegetarian. Cats can feed them in small amounts if they like to eat them. When feeding, the dosage of corn kernels must be controlled and not excessive. Because corn kernels contain fiber, cats eat large amounts. It will cause gastrointestinal upset and difficulty in digestion. Furthermore, the nutrition of corn kernels is relatively simple, so corn kernels cannot be fed to cats as staple food, because long-term consumption will cause the cat's body to lack nutrients.