The mammary gland is a secretion organ, under normal circumstances, there will be secretion through the milk ducts, nipple discharge, so a small amount of white secretion from the nipple is a normal phenomenon. If there is no pain, localized swelling, hard lumps and other discomforts, there is no need for treatment. If the nipple discharge is more or the discharge has yellow, yellow-green or even bloody overflow, you need to consider the existence of breast disease is an abnormal situation, you need to go to the hospital, check the diagnosis and timely symptomatic treatment. Nipples often have a small amount of discharge, usually need to pay attention to good nipple cleanliness and hygiene, keep dry, wear breathable cotton underwear, to avoid causing inflammation of the nipple, mammary ducts. The mammary glands will be affected by various factors such as mood, usually pay attention to keep a happy mood, avoid grumpy, excessive pressure, often angry. Under normal circumstances, the mammary glands will discharge secretion, when the secretion is more or has an abnormal color, you need to consult a doctor in time.