Glutinous rice wine should be boiled and preserved. Heating can stop the fermentation of glutinous rice wine and make the rice wine keep longer, which can be kept for 30 days at room temperature and about 60 days in refrigerator. Glutinous rice wine, also known as rice wine and sweet wine, is a traditional specialty wine of Han nationality. The main raw material is glutinous rice, which is sweet rice wine fermented by steamed glutinous rice mixed wine yeast (a special microbial yeast). Its brewing process is simple and its taste is sweet and mellow. Because of its extremely low alcohol content, it is deeply loved by people.