The presence of breast milk in the absence of pregnancy suggests an endocrine hormone disorder, such as hyperprolactinemia in women. Try to have a blood test and endocrine hormone test on an empty stomach on the second to fifth day of menstruation to rule out any increase in prolactin. If it is elevated, a CT scan should be performed to rule out a pituitary tumor. Hyperprolactinemia in women can cause pituitary tumors and should be taken very seriously. Thyroid function should also be checked to determine whether there is hyperthyroidism or hypothyroidism, both of which may cause hyperprolactinemia in women and may also affect the health of the body. So it is important to have a joint checkup, and after the checkup, depending on the situation, oral medication cycle to regulate the condition, to avoid causing other diseases, such as irregular menstruation or facial acne.