2. The shelf life of Song Ke bread is closely related to environmental protection. It is recommended to store at room temperature and choose a ventilated and dry place to avoid being affected by high temperature and high humidity. As the storage time becomes longer, it will gradually soften, and the outer layer of the cake will lose its crisp taste and become tough. Any bread is not suitable to be put in the refrigerator, because the humidity in the refrigerator will affect the flavor of bread.