Raw materials are important sources of food and carriers of food. Food raw materials science is a discipline that studies the types, production and circulation, physical and chemical properties, nutrition and hygiene, quality inspection, storage and preservation, and processing and application rules of food raw materials. It is said that one of the important basic courses for food science majors is that raw materials are the basis of food. Important sources and carriers of food, like food microbiology, food chemistry and other subjects, are the basic subjects of food science and engineering majors.