Being given prolactin may promote breast development, increase libido, and may even be life threatening. 1. Promote breast development: prolactin can promote breast tissue proliferation, breast duct dilation, milk secretion, nipple as well as areola enlargement and color deepening. After being hit with prolactin, it may promote breast development and milk secretion. 2. Increase libido: After being given prolactic surgery, it may cause changes in the level of sex hormones in the body, which may lead to a relative increase in female libido. 3. Possible danger to life: If a woman is given prolactin for a long period of time in large quantities, the level of sex hormones in her body will change significantly, which may cause serious harm to her health and even danger to her life. Therefore, if you need to use prolactin for treatment, you need to follow the doctor’s instructions, do not blindly self-medication.