It may be normal for a woman to have milk all the time, but it may also be a pathological phenomenon, such as hyperprolactinemia, breast enlargement and so on. 1. Normal physiological phenomenon: if a woman is in the breastfeeding period, due to the influence of estrogen and progesterone levels and lead to milk secretion, which will appear in the phenomenon of a woman always have milk, is a normal phenomenon, usually do not need special treatment. 2. Pathological phenomena: (1) hyperprolactinemia: a clinical pathophysiological state, due to various reasons caused by abnormally high levels of serum prolactin, can appear menstrual disorders, unexplained breast milk overflow and other phenomena. (2) Mammary hyperplasia: some patients with mammary hyperplasia are combined with dilated milk ducts, which may result in nipple overflow and constant milk production. There may be other reasons for a woman to have milk all the time, so it is recommended to go to the hospital in time to find out the reasons and actively cooperate with the doctor to treat or deal with the problem.