First check whether the cat has deteriorated or expired. If there is no problem, it may be caused by the cat's picky eating. The owner can try to change the cat food to a different type of cat food or mix the cat food with the cat's favorite food and feed it together; secondly, check the cat's Whether the oral cavity is inflamed, red and swollen, or infection in the oral cavity will also lead to inability to swallow. The breeder should purchase sterilizing and anti-inflammatory drugs and apply them to the cat every day. The cat can be fed soft liquid food.