There are many situations when a cat vomits cat food: 1. Indigestion, which is common in young cats that have just eaten cat food. Gastrointestinal discomfort due to indigestion leads to vomiting; 2. Greedy cats who eat too much. After ingesting a large amount of food, the stomach will be overloaded and cannot be digested, and the undigested cat food will be vomited out; 3. If the cat catches cold or other diseases, if the cat continuously vomits food, the owner should carefully observe and find the cause of the disease.