Many women experience at least one episode of heavy vaginal bleeding or “flooding” during premenopausal years which is due to hormonal changes, incidences of irregular heavy bleeding during menopausal years should be investigated to rule out gynecological cancers. In absence of caner, Chinese herbal medicine according to differential diagnosis and western herbs such an yarrow, shepherd’s purse, lady’s mantle are very effective in treating dysfunctional uterine bleeding.