Cats can eat chicken breast. Chicken breast contains less fat than pork, so it is less likely to cause obesity or high cholesterol. It is best to boil chicken breast in plain water for your cat, but don't give it to them too often, about three times a week is enough.

However, it's important to note that cats require a relatively high amount of protein, and their nutritional needs cannot be met by simply feeding them chicken breast. They need a balanced diet with other ingredients. Therefore, before feeding your cat, you should consider the proportions and variety of ingredients in their diet.