Small white spots appear on the nipple after a milk blockage. If it is a mild buildup of milk or a white substance left by the baby’s sucking, it can usually be picked through. However, if the milk duct blockage is more serious and caused by pathological factors, it is not recommended to pick it and you need to go to the hospital in time. Usually, if a mother finds a milk blockage and a small white spot on the nipple when breastfeeding, without obvious discomfort, she can use a sterilized needle or other sharp object to pick through the white spot, and then breastfeeding can be done normally without too much worry. In addition, there is also lactation mastitis, which often occurs 10 days after giving birth and is usually caused by bacterial infection. It is recommended to go to breast surgery or general surgery in time, complete ultrasound and other related examinations to clarify the diagnosis and treatment, do not pick through the white spots, so as not to lead to aggravation of the infection. Lactating women should exercise every day to enhance their physical fitness. Pay attention to a light diet, eat more food containing more fiber, to promote health.