Interpretation of oats and naked oats in Ci Hai: Naked oats are also called naked oats, and there are many kinds of "skin oats" in oats. But there is a qualitative difference. The difference is that when oats are ripe, the inner and outer lemmas tightly hold the seeds and are not easy to separate. However, when the naked oats mature, the seeds and lemma separate themselves. ?

Another difference between oats and naked oats is that one is peeled and the other is not peeled. Oats are not easy to peel, so they are called skinned oats. In Compendium of Materia Medica, they are called Bromus and Wild Wheat. Because of its low yield and difficult processing, it is not the main food people need, and there is little food produced in the market, but its health care function has been or is being recognized and accepted by people.