There are many reasons why the middle of the nipple turns white during breastfeeding, the specific analysis is as follows: 1, coagulated milk, after the end of breastfeeding, did not wash the breast and nipple, resulting in the overflow of breast milk coagulated on the nipple, need to be promptly cleaned to ensure that the nipple is dry, to prevent the appearance of nipple eczema. 2, fungal infection, due to not getting cleaned, poor maintenance of breast hygiene, fungal infection, you can use sodium bicarbonate for The company’s main goal is to provide a solution to the problem. The sebaceous secretions gather in the hair follicles, resulting in inflammation of the follicles and the formation of cysts. 4. breast cancer, patients with cancer will have nipple overflow, the overflow may be white or bloody, and need to be highly alert and seek immediate medical treatment.