1, chocolate: theobromine in chocolate is harmful to cats, which can cause vomiting, diarrhea, arrhythmia, seizures and other serious symptoms.

2. Grapes and raisins: Grapes and raisins are harmful to cats' kidneys and may lead to renal failure.

3. Nuts: Nuts contain high phosphorus and sulfur, which is harmful to cats' kidneys.

Raw meat: Uncooked raw meat may cause bacterial infection and food poisoning, leading to vomiting, diarrhea, elevated body temperature, dyspnea and other symptoms.

4. Seafood: Some cats are allergic to seafood, such as shrimp and crab. After eating, they will have symptoms such as itching, redness, vomiting and diarrhea.

5, spicy and irritating food: such as pepper, garlic, ginger, pepper and so on. It may cause digestive tract problems such as indigestion and gastritis.

6. Xylitol: Xylitol is toxic to the cat's liver and may cause liver damage.

7. Caffeine and theobromine: These substances exist in chocolate, tea and coffee and are harmful to cats.

8. Drugs containing acetaminophen: If people use cold medicine, it may lead to cat poisoning.