There are many reasons for low prolactin, which may be caused by weight loss, emotional abnormalities and other physiological effects, but also can be seen in the impact of certain drugs, disease effects, etc., you need to determine the cause of low prolactin, according to the cause of the appropriate treatment.1, physiological effects: when long-term excessive weight loss, mental overstress or excessive mental stress can lead to low prolactin in the body. At this time should improve the living habits, reasonable weight loss, relieve bad mood, can improve the situation of low prolactin; 2, the influence of drugs: α-methyldopa, serum calcitonin, norepinephrine and other drugs, can directly or indirectly inhibit the secretion and release of prolactin, so that the level of prolactin in the blood decreases, should be based on their own condition, in accordance with the instructions of the doctor to reduce the amount of or to stop the application of such drugs, generally can be recovered on their own. Daily life should maintain a relaxed mood, work and rest; 3, the impact of disease: low prolactin is common in anterior pituitary hypopituitarism, the treatment should be to remove the cause of the disease, and then the target gland hormone long-term replacement therapy. In addition, monogenic prolactin secretion deficiency, kidney cancer and other diseases can also cause low prolactin, and should promptly consult a doctor for treatment of the relevant primary diseases, and radiotherapy and chemotherapy can be carried out in case of kidney cancer. In daily life, we can increase the intake of protein-rich food, such as eggs, milk, soybeans, etc. Meanwhile, we should pay attention to rest, keep enough sleep and avoid excessive anxiety.