The invention discloses Chinese medicinal powder for treating diabetes, which is prepared by mixing traditional Chinese medicines, such as Mongolian dandelion herb, tuber fleeceflower root, willow apices, tangerine peel, pumpkin and the like according to proportion by a conventional traditional Chinese medicine preparation method. The Chinese medicinal powder is directed taken by warm water. The Chinese medicinal powder for treating the diabetes has treatment effects of regulating blood sugar level, reducing complications of the diabetes and improving cure rate, is widely used for regulating the blood sugar level and treating the diabetes and has obvious curative effect. The total effective rate of the Chinese medicinal powder is over 90 percent.