Cats that often vomit but are in normal condition may be caused by hairball disease or intestinal disease. Cats naturally lick their hair to keep their bodies clean, so a large number of hairballs will be produced in the body. The owner can feed the cat some grass to melt the hair. Cream to help cats regulate their intestines and expel hair balls smoothly. You should pay attention to your cat's diet and try to eat smaller meals more often. You can also feed your cat probiotics to help with gastrointestinal digestion and promote health.