Croton is the dried mature fruit of the Croton tree of the family Euphorbiaceae, the roots, leaves and fruits of which can be used as medicine. As a kind of hot and pungent Chinese medicine, it has the efficacy of cooling down the cold accumulation, removing water to eliminate swelling, and expelling phlegm to benefit the pharynx, which can be used externally or taken internally. However, the toxicity of the bean is relatively large, need to be careful to eat, pregnant women or weak people can not be eaten. Soybeans are one of the beans we often eat. Soybean is a legume genus of annual grass, and has a wealth of high-quality protein, but there is no special drug efficacy. Soybean and croton are not the same, do not confuse, in order to prevent serious consequences.