American beer swept the world through commercialization, a very important reason lies in the use of rice and corn starch, which greatly reduced the cost, making beer thoroughly become a fast consumer goods, thus sweeping the world. At the same time, after all, it brings some rice flavor, although dilute the beer flavor, but also more refreshing and crisp taste. Beer has become more acceptable to a wider range of consumers and has become a powerful tool to expand the consumer group.No beer can be brewed 100% from rice. Rice can only be used as an additive.