1 smell, rice wine is made of glutinous rice and sweet wine starter. Therefore, when identifying yellow rice wine, we must first smell whether there is a bouquet in yellow rice wine. If rice wine has a rancid smell, it means it has gone bad.

2. Observe the characteristics of rice wine, including the size and shape of wine residue and the color of rice wine. Good rice wine is white or milky white, looks very clear, and the grains of wine residue are complete.

3 Taste, good rice wine is sweet and sour, and both rice and wine taste fresh.