There is no fastest and most effective way to open the breast milk, you can open the breast milk through the baby sucking nipples, hot compresses, massage, maintain a good mood and other methods. ⒈ baby sucking nipple: after delivery if the maternal state is good, usually 30 minutes after delivery can let the baby sucking nipple, sucking nipple will stimulate maternal hypothalamus secretion of prolactin, thus increasing the secretion of milk. Hot compresses: hot towels and other tools can be used to apply hot compresses to the breasts to promote blood circulation and keep the mammary ducts open, and then gently shake the breasts to promote milk secretion. 　　3　Massage: You can press the danzhong point and breast root point, which can effectively promote breast milk secretion, and the location of the specific points should be selected under the guidance of the doctor. Therefore, it is important to maintain a positive mood after delivery. It is recommended that mothers under the guidance of the doctor to open the milk to promote lactation, do not operate on their own to avoid risks.