White acne material on the nipple is a normal manifestation and will not cause pain or itchy feeling. This phenomenon and the body’s hormone secretion has a relationship, in general, the body’s estrogen secretion is too much, there will be milk secretion, in the process of milk secretion, not discharged from the body, it will be manifested in the nipple as white acne-like secretion. If you have this situation, usually try to pay attention to hygiene, pay attention to cleaning, keep the nipple local dry, clean. Usually wear loose cotton underwear to reduce the stimulation of the local skin. Loose cotton underwear is good for blood circulation, avoiding poor blood circulation in the breasts, resulting in pain and swelling. Usually should also pay attention to do not eat spicy and irritating food, otherwise it is easy to lead to nipple inflammation, infection, resulting in pain.