Breast inversion can not eat milk, if it is caused by congenital causes, you can try to pull or use a breast pump, other causes need to consult a doctor. Breast inversion can not eat milk, in fact, it should be nipple inversion, nipple inversion is mostly congenital breast development abnormality, this situation should be solved according to the severity of maternal nipple inversion. If a pregnant woman finds that her nipples are mildly inverted, she can correct it by pulling the nipple frequently during pregnancy. Before breastfeeding, you can pull the nipple appropriately, so that the nipple protrudes out for the baby to hold the nipple as well as the skin around the areola, which can promote the discharge of milk for the baby to breastfeed. Normally, you can also apply hot compresses to the breasts, which can also promote the discharge of milk. If the nipple inversion is serious and there is no way to breastfeed, you can use a breast pump to suck out the milk and feed it to the baby with a bottle, and try to empty the breast every time to avoid milk accumulation. Surgery can also be considered for those with severe nipple inversion who cannot get the milk out by artificial means. In addition to congenital causes of nipple inversion, nipple inversion can also be seen in tumors, mastitis, trauma and other acquired causes, it is recommended to consult the doctor in the hospital first, and if necessary, to carry out relevant tests to clarify, in order to avoid delaying the condition.