Grains and oils is a collective term for grains and oils such as cereals and legumes, as well as their processed and semi-finished products. Rice and flour oils are oils and fats extracted from cereals (e.g., rice and noodles) and belong to the category of grain and oil. Cereals and oils are one of the main sources of food for human beings, providing the energy and nutrients needed by the human body. Rice and flour oils play an important role in cooking and consumption and are commonly used in stir-frying, frying and other cooking methods. Therefore, based on the sources and uses of rice flour oil, it can be clearly said that rice flour oil belongs to the category of grain oil.