椿皮为苦木科植物臭椿的干燥根皮或干皮,全年均可剥取,春季水分充足,树皮易剥离时采收为宜。晒干,或刮去粗皮后晒干即得。本品始载于《新修本草》(又称《唐本草》),古时所用椿皮系指香椿和臭椿两种植物的根皮和干皮,而以臭椿皮为好。目前我国市场上除少数地区用香椿皮外,大多数用樗木皮作椿皮用。椿皮具有清热燥湿,收涩止带,止泻,止血等功效。用于赤内带下,湿热泻痢,久泻久痢,便血,崩漏。主产于浙江金华、兰溪、 Cortex Tsumeiae Atractylodes dry root bark or dry skin, peel all year round, adequate spring water, bark easy to peel when harvesting is appropriate. Dry, or scrape the skin after drying it. This product was originally published in “New Materia Medica” (also known as “Tang Materia Medica”), ancient use of cedar skin refers to two kinds of Chinese Toon and Ailanthus altissima root bark and dry skin, and to Ailanthus altissima as well. At present, except for a few areas on the Chinese market with toon skin, the majority of alder wood for the use of Chun-skin. Chun-skin with heat dampness, astringent stop zone, diarrhea, bleeding and other effects. Used for the territory under the red, hot diarrhea, long diarrhea Jiu Li, blood in the stool, metrorrhagia. Mainly produced in Zhejiang Jinhua, Lanxi,