There are many things that cats cannot eat, among which the more common ones are: green onions, onions and leeks: they contain ingredients that destroy cats’ red blood cells and can cause symptoms such as anemia, diarrhea, hematuria, vomiting and fever in cats. Serious cases It may cause the death of the cat; the second is raw meat: unprocessed raw meat often contains more bacteria. If the cat's gastrointestinal condition is not good, eating it is particularly likely to cause diarrhea. Moreover, raw meat contains a type of enzyme that will hinder the cat’s absorption of vitamin B. The third is chicken and fish bones: the sharp edges of chicken and fish bones may get stuck in the cat’s throat or digestive tract, and may even cause gastrointestinal damage. Perforation; Fourth, chocolate: Chocolate contains theobromine and caffeine, and excessive intake can cause acute poisoning in cats. When chocolate is poisoned, cats will develop digestive tract, nerve and heart symptoms, and in severe cases, the cat may die. Fifth, grapes and raisins: Grapes may cause kidney failure in cats, especially grape skins, which are particularly dangerous. Raisins can also cause kidney failure in cats. Exhaustion.