The blockage of milk ducts is divided into two cases: First, during breastfeeding, the blockage is caused by the retention of milk, mostly in the early stage of breastfeeding, because the milk of pregnant women is more abundant, the appetite of young children is smaller, the amount of milk sucked is less, resulting in a part of milk retention in the breast, which will cause the blockage of the breast, breast swelling and pain over time, at this time you need to apply hot compresses to the breast, massage the breast, so that the smooth circulation of blood to the breast, the blockage If necessary, use a breast pump to apply pressure to the breasts. If necessary, use a breast pump to empty the breasts, but you must pay attention to the method of using a breast pump, which should not be used for too long, otherwise it will cause damage to the nipple. Secondly, if you are suffering from breast disease, such as breast cancer, you should immediately go to a regular hospital for breast ultrasound or mammogram to determine the cause of the lesion and the treatment method after the physician’s evaluation.