Due to the difference of individual situation, there is no most effective way to open the milk. Mothers can open the milk by letting the baby suckle, dietary adjustments, relaxing the emotions and so on. 1. Infant sucking: The newborn should be allowed to touch and suck on the nipple as early as possible after delivery, because the sucking of the newborn can stimulate the secretion of lactogen and unclog the milk ducts, so it is conducive to promoting the discharge of milk. 2. Dietary adjustments: In order to open the milk, the mother can eat some protein-rich food, such as lean meat, eggs, fish, etc., can provide raw materials for the production of milk, help open the milk. Of course, you also need to pay attention to a balanced diet, moderate consumption of fruits and vegetables, to maintain the quality of milk. 3. Relaxation: In addition, the mother also needs to pay attention to rest, ensure sleep, maintain emotional stability, promote the normal secretion of hormones, which will help open the milk. If a pregnant woman continues to not open the milk, it is recommended to seek medical advice as soon as possible, under the guidance of the doctor to improve the relevant examination, standardized treatment.