Overpopulation and rapid growth are urgent problems for developing countries to control and solve, and the problem of overburdened population is particularly prominent in China. Since China began to implement the family planning policy in the 1970s, it has effectively controlled the excessive population expansion. How to control population growth safely and effectively and develop new birth control drugs and methods has always been the focus of people's research. Traditional Chinese medicine has a long history of anti-fertility and many methods, but limited by feudal ethics, there are only sporadic records in medical works. It is an inevitable trend to make full use of the advantages of traditional Chinese medicine and extract safe, effective, simple and less toxic and side effects from Chinese herbal medicine. Qumai was recorded for the first time in Shennong Herbal Classic, and it was listed as a national medicine. It has been used for more than 2000 years, and it has been used as a contraindication drug for pregnancy in past dynasties, which provides a literature basis for finding an efficient, low-toxic and safe antifertility drug. Through literature research and experimental research, the antifertility effect of Dianthus caryophyllus fruit was discussed, which provided scientific basis for antifertility of traditional Chinese medicine. Literature research 1. Literature collation of pregnancy drugs in China's long history, the records of pregnancy drugs are scattered in various documents. The earliest document that clearly recorded the effects of drugs on abortion and childlessness was Shan Hai Jing in the Spring and Autumn Period and the Warring States Period, while the earliest medical book that recorded drugs and foods that were contraindicated or used with caution during pregnancy was Shen Nong Ben Cao Jing, followed by synopsis of golden chamber and synopsis of golden chamber.

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