Human placenta tablets are mainly used for the treatment of neurasthenia, but also to enhance the body’s immunity. They are not usually used in in vitro transplants, but are taken as prescribed by the doctor when necessary. Human placenta tablets contain a small amount of estrogen, which regulates the secretion of pituitary gonadotropins through the hypothalamus, and at the same time, this hormone can induce the synthesis of a characteristic protein messenger RNA, and this induction can lead to the rapid synthesis of RNA, protein and phospholipid. In addition, estrogen has a blood cholesterol-lowering effect, preventing atherosclerosis in hyperlipidemic animals. Steroid hormones in the placenta have the ability to promote the deposition of calcium in bones and prevent fractures. Various immunoglobulins contained in placenta can enhance the immunity of the body. In addition, it should not be used in patients who are allergic to the product. Human placenta tablets are not usually used in in vitro transplants, and when they must be taken, they need to be used symptomatically as prescribed by a doctor.