Nipple secretion of white particles due to the following reasons: 1, normal physiological phenomenon, mostly seen in pregnancy or lactation women, nipple secretion of milk is not timely cleaned up, coagulation formation, is not a disease, timely cleaning on the line. 2, breast duct inflammation, is the occurrence of inflammation of the milk ducts, accompanied by breast pain, fever, redness, anti-inflammatory treatment can be, to prevent deterioration, the formation of pus. 3, malignant diseases of the breast, if white secretion accompanied by If the white discharge is accompanied by oozing and odor, it may be malignant, early diagnosis and early treatment is the choice.4, breast hygiene is not up to standard, cleaning the breasts in a timely manner will lead to secretion condensation in the nipple, and over time there will be infections, you should be diligent in changing underwear, and more cleaning of the breasts.5, the male patient’s body hormone level instability will also appear in the breast secretion, you can take medication to regulate the situation.