重楼排草(Lysimachia paridiformis Fr-anch.)为报春花科(Primulaceae)排草属(Lysi-machia)植物。本品以全草入药,称“四块瓦”。西南到华南一带均有分布,药物资源较为丰富。近年来湖北省恩施地区民间将其发掘作为新药,广泛用于防治产后大出血,据报道有显著疗效。药理实验也表明本品有收缩小白鼠离体子宫的作用。目前国外尚无关于重楼排 Lysimachia paridiformis Fr-anch. is a Lysi-machia plant of the Primulinaceae family. This product is made of whole herbs and called “four tiles”. It is distributed from the southwest to the south of China and has rich medicinal resources. In recent years, people in Enshi of Hubei Province have explored it as a new drug and are widely used to prevent and treat postpartum hemorrhage. It has been reported to have a significant effect. Pharmacological experiments also showed that this product has the effect of contracting the isolated rat’s uterus. At present, there is no foreign about the heavy row