Pet food is food specifically designed for pets, and it is usually packaged and sold in a form of dry feed or wet feed. Pet food can be divided into dog food, cat food, bird food, small animal food, fish food, etc. according to the different pets it serves. The main raw materials of pet food are meat, vegetables, grains and other ingredients. Pet food is not only convenient and nutritional for pet owners to feed their pets, but also plays an important role in the daily life and health care of pets.