1. Glass bottles are of course best. Containers made of stainless steel or stable metal are acceptable. It is best not to use plastic bottles. You can also use them if you want, but it is best to use non-toxic ones. Plastic bottles, you can eat coke bottles. However, it is recommended not to use plastic bottles for a long time.

2. Insulate and stop fermentation. In theory, the shelf life can be indefinite, but the premise is that it must be hot enough. If it is not hot enough, the sterilization effect cannot be achieved. But it doesn't have much impact on the nutritional value. The amino acids and enzymes in rice wine can withstand the abuse.

3. In any case, freezing it into ice will definitely extend the shelf life for a long time, and it can also stop fermentation, which is much better than heating to stop fermentation.

4. When brewing rice wine, do not add fruits. The shelf life of fruits is not as long as that of rice wine, so do not store fruits in rice wine. In line with the principle of adding what you eat, it is better to add it when eating.