Sweet wine, formerly known as "Yi", is a traditional characteristic wine in China. A sweet rice wine fermented by steamed glutinous rice mixed koji (a special microbial yeast) is called mash, fermented rice wine, sweet wine, sweet rice wine, glutinous rice wine and distiller's grains all over China.

The fermented Ganxinwen contains sugar, organic acids, vitamin B 1, B2, etc. , can benefit qi, promote fluid production, promote blood circulation, and relieve swelling. It is not only beneficial for pregnant women to induce diuresis and reduce swelling, but also suitable for lactating women to promote lactation.

They are sold in the supermarket.