从植物界中探索避孕药是避孕药物研究的一个重要途径。近年来,国外除了从化学合成药物和生物活性物质等方面寻找避孕药外,不少国家还注意到从植物界中去探索,从古方和民间医药中去发掘,进行了许多避孕植物药的研究。并发现很多植物具有抗生育作用。其中研究比较深入的有紫草、豌豆 To explore contraceptives from the plant kingdom is an important way to study contraceptives. In recent years, in addition to looking for contraceptives in foreign countries, such as chemical synthetic drugs and bioactive substances, many countries have also noticed the exploration from the plant kingdom, the excavation from ancient and folk medicine, and the research on many contraceptive plants . And found that many plants have anti-fertility effects. One of the more in-depth study are Lithospermum, pea