Progesterone, also known as progesterone, is a natural progestin secreted by the corpus luteum of the ovary and a drug necessary to maintain pregnancy. Second, in the second half of the menstrual cycle, it can make the endometrial glands grow and the lining thicken, preparing for the implantation of the fertilized egg. Third, the application of large doses can inhibit the production of sex-promoting hormones, thus inhibiting ovulation. Progesterone is mainly used in the treatment of habitual abortion, dysmenorrhea, excessive menstrual bleeding, amenorrhea, menstrual irregularities, etc. Women with irregular menstruation can regulate menstruation well by taking progesterone, which can supplement progesterone, and can be used to change the time of menstruation for patients who want to delay their menstruation or who want to have early menstruation. However, dizziness, headache, nausea, and depression may occur after the application of this drug, adverse reactions such as breast swelling and pain.