Foods cats cannot eat
Fruits:
Grapes: can cause poisoning, vomiting, and diarrhea; in severe cases, kidney failure may occur.
Pears: Mild symptoms include dizziness and vomiting; severe symptoms include difficulty breathing, convulsions, and even respiratory paralysis and cardiac arrest.
Star fruit: can cause acute renal failure.
Waxberries: Irritate the stomach and intestines. Loquats: Cause poisoning, leading to diarrhea and abdominal pain.
Lemon: Can cause vomiting and diarrhea, leading to gastroenteritis.
Sugarcane: Normal cats generally don't know how to drink sugarcane juice, so please don't feed it to them.
Avocado: Can cause poisoning, leading to diarrhea and vomiting; in severe cases, it can cause respiratory distress, suffocation, and death.
Oranges: Generally speaking, cats dislike the smell of citrus fruits and grapefruits, and eating them can easily cause vomiting.
Onions: They destroy red blood cells, leading to anemia, and can also cause excessive urination, resulting in kidney damage and, in severe cases, kidney failure. 
Meat:
Raw eggs: can cause diarrhea and vomiting, and may contain parasites that can lead to infection in cats.
Egg white: Indigestion; Century eggs: May contain Salmonella, which can cause serious infections in cats.
Small bones such as fish bones, chicken bones, and duck bones: These are often sharp and can easily get stuck or scratch a cat's digestive tract.
Octopus and squid: can cause indigestion, leading to vomiting and diarrhea.
Elemental class:
Houttuynia cordata: Causes vomiting
Toona sinensis: Causes poisoning
Mushrooms such as shiitake and tea tree mushrooms: can be difficult to digest.
Garlic sprouts, garlic scapes, leeks, and leek scapes: These are as harmful as garlic and leeks.
Seasonings:
Oils: can cause vomiting and diarrhea in cats, and in severe cases, dehydration and death.
Garlic: Irritates the stomach and intestines, causes indigestion, and can seriously lead to gastroenteritis.
Salt, soy sauce, etc.: High salt content can cause diarrhea and allergic reactions in cats.
Vinegar: Corrodes the esophageal mucosa of cats, leading to esophageal ulcers and causing vomiting.
Onions, ginger, and garlic: can cause kidney damage, and in severe cases, kidney failure.
Chili peppers, black pepper, etc.: can cause diarrhea and trigger gastroenteritis.
Spices: can cause vomiting and stomach pain.
Beverages:
Milk and dairy products: can cause vomiting and diarrhea.
Alcohol: Vomiting, mental abnormalities, and in severe cases, shock and kidney failure. Curb your curiosity and don't let your cat try everything!
Cocoa: Highly poisonous, causing severe vomiting and diarrhea, and even heart disease.
Coffee: can cause vomiting, frequent urination, and trigger abnormalities in the nervous and cardiovascular systems.
Soda water: It irritates the stomach and intestines, causing vomiting, and in severe cases, dehydration and death.
Fruit juices: can irritate the stomach and intestines, leading to chronic vomiting.
Milk tea: High in sugar, it can negatively impact gut health and lead to indigestion.
Tea: can cause vomiting and diarrhea.
