Fengyoujing is harmful to cats, because Fengyoujing contains a large number of irritating ingredients, which can cause cats to lose control of their emotions. In addition, the camphor in it is toxic. It is usually best to place Fengyoujing out of reach of cats. to avoid damaging the cat’s body. If the cat is bitten by a mosquito, you can use an appropriate amount of Fengyoujing to help the cat relieve the bite. During the period, the cat should wear an Elizabethan ring to prevent the cat from licking it and causing poisoning.