Breastfeeding to breastfeeding different sizes may be the breastfeeding method is not correct, can adjust the breastfeeding way to improve. The different sizes of breasts during breastfeeding are due to the irregularity of the child’s sucking at the time of breastfeeding, which leads to an increase in lactation in the breast that eats a lot of milk to make the breast larger, and the other side of the breast is gradually reduced due to less milk secretion from the sucking, which leads to the breast getting smaller and smaller. Adjust the way of breastfeeding, breastfeeding two breasts should be switched to breastfeeding, if the baby only eat one side of the breast, the other side of the breast can be sucked with a breast pump, the milk will be saved in the refrigerator and so on the next time when breastfeeding to give the baby to drink to keep the size of the two sides of the breasts symmetrical. If the two sides are already asymmetrical, let the baby eat more of the smaller side of the breast, so that the milk secretion gradually increased breast size, can slowly adjust the two sides of the same size. It is recommended to keep a good mood during the breastfeeding period, eat more high-protein food, avoid spicy and stimulating food, do not drink carbonated drinks and coffee. Don’t stay up late, go to bed early and get up early.