Emergency rescue food is mainly used for storage, so it is most important to ensure a long shelf life. Secondly, emergency food is mainly to supplement the nutrition and calories of rescue personnel and maintain human vital signs. Therefore, it is required to be easily digested and absorbed after eating, and can quickly restore physical strength and maintain physical strength, and achieve balanced nutrition. In addition, at the disaster site, food for infants and young children is a major problem, and emergency rescue food should also be considered for the consumption of infants, young children, the elderly, the weak, the sick and the disabled.