1. About 6 hours. Mung beans are rich in nutrients and contain a lot of sugar. After a period of cooking, the mung beans become soft and rotten. If the mung bean soup is left at room temperature at this time, it is easy for bacteria to breed and lead to deterioration. Therefore, it is best to store the mung bean soup at room temperature. The storage time is short, generally only about 6 hours.

2. If it is in summer and the temperature is very high, the storage time of mung bean soup will be shorter. Therefore, it is best to make and eat mung bean soup freshly, and it is worst to leave it unfinished. It is best to put it in the refrigerator.