Chinese medicine has unique advantages of fetal preservation treatment. Unlike hormones, TCM is a kind of ecological treatment that follows the nature and takes advantage of the situation. According to modern research, the multiple integrated efficacy shown by multiple components in Chinese medicine formulas coincides with the multi-linked and multi-factorial etiology of the disease. The various trace elements in Chinese medicine can both supplement essential trace elements and regulate the absorption of trace elements in the human body, especially the endocrine regulation function, which is the greatest advantage of Chinese medicine and traditional Chinese medicine compared with modern medicine. It can relieve the symptoms, strengthen the body, improve the pelvic environment, promote the blood and oxygen supply to the uterus and embryo, help the embryo to grow and develop, and achieve the purpose of fetal preservation and eugenics for most of the pre-eclampsia due to endocrine insufficiency, constitution and immunity. The purpose of TCM fetus preservation therapy, which is an important part of TCM eugenics, is to make the fetus develop healthily so that the child delivered will be healthier, smarter and more lovely.