Frozen cooked coarse cereals rice is a common way of food preservation. According to the research of China Nutrition Society, cooked miscellaneous grains rice can keep its nutritional components and taste, which is harmless to human body. However, it should be noted that food hygiene and safety should be ensured during the freezing process to avoid bacterial growth.

At the same time, attention should be paid to hygiene and safety during thawing and heating to avoid food poisoning.