Prolactin is prolactin, sex hormone six prolactin 30ng/ml belongs to abnormal, belongs to the high, the reason may be physiological, medication, pituitary tumor and so on. 1. Physiological: the normal value of prolactin is 1.61-18.77ng/ml. 30ng/ml of prolactin is mildly high, which may be caused by too much tension, strenuous exercise, excitement, etc. during the examination, and does not require treatment. 2. Drugs: taking psychotropic drugs, metoclopramide, antihypertensive drugs, etc., may cause high prolactin. 3. Pituitary tumor: it is easy to cause prolactin increase, sex hormone six prolactin 30ng/ml, need to be further reviewed in a few days, if it continues to rise, then need to do further CT of the pituitary gland, or MRI to confirm the diagnosis. Therefore, sex hormone six prolactin 30ng/ml, need to go to the hospital for review, by the doctor according to the specific test results, to develop a personalized diagnosis and treatment plan, so as not to delay the condition.