Cats require a meat-based diet. Cats need appropriate foods to fuel their metabolism and keep their internal organs, tissues, skin and fur in top condition. Human foods are not appropriate for cats, but the specific type and amount of food you feed your cat depends on his activity level, health needs and feeding habits.ommercial Pet Food. Commercial cat foods come in dry, semi-moist and canned varieties. Canned cat foods a minimum of 75 percent water and are primarily made up of meat and meat byproducts.