Elevated prolactin affects the production of estrogen and progesterone in the body and can affect menstruation. Prolactin is elevated during breastfeeding, during which menopause occurs and menstruation resumes only gradually in the clinic as lactation decreases. Due to certain diseases can also lead to increased prolactin, for example, pituitary microadenomas can increase prolactin, in the clinic to make the menstrual flow significantly reduced, the patient often with menstrual decrease in the clinic, through the examination of the pituitary microadenomas found, the clinic needs to be given the appropriate treatment. Endocrine disorders may also lead to abnormal increase in prolactin, which needs to be treated before it can return to normal. Once menstrual changes occur in the clinic, it is necessary to do the corresponding examination to find out whether the increase in prolactin affects menstruation.