Pituitary prolactinoma is a common disease in hypothalamic-pituitary disorders caused by excessive secretion of prolactin by pituitary prolactin cell tumors. Patients should pay attention to after pregnancy: 1, pregnancy may lead to prolactin cell hyperplasia, normal pregnancy prolactin level will also increase, so should not detect prolactin level to react to the disease; 2, should pay close attention to the presence of headache, visual field defects and other occupying effects, such as obvious occupying effects, suggesting that the tumor is enlarged, and should continue to use the medication; 3, such as microadenomas, can be considered to stop the medication after pregnancy, the emergence of the tumor enlargement, etc. need to consult a doctor in a timely manner.