The reasons why cats vomit out everything they eat:

1. Cats eat food too quickly. When a cat eats too fast, it can cause regurgitation and spit out the food.

2. The cat eats too much food and cannot digest it. When a cat eats too much food, it will excrete it through vomiting because it cannot digest it.

3. After suffering from gastritis or pancreatitis, frequent vomiting symptoms will occur, accompanied by symptoms of depression, and you need to consult a doctor in time.

4. There are parasites in cats that live in the gastrointestinal tract and can easily cause vomiting and diarrhea. Owners need to go to the pet hospital in time and use anthelmintics rationally.

5. The cat has eaten unclean or toxic substances. It is necessary to seek medical treatment promptly, induce vomiting in time, and then treat symptomatically.