Folium Artemisiae Argyi is a warm medicine, which has the effects of dredging the twelve meridians, regulating qi and blood, dispelling cold and dampness, warming uterus to stop bleeding, warming middle warmer to relieve depression, regulating menstruation and preventing miscarriage. A famous Chinese medicine prescription is Jiao Ai Wu Si Tang, which consists of Ejiao, Folium Artemisiae Argyi, Radix Angelicae Sinensis, Radix Rehmanniae Preparata, etc. Can be used in internal medicine to treat menorrhagia, fetal hemorrhage, skin purple spots and hematochezia.