If the baby is weaned, the current international advocates breast milk until 2-2.5 years old, but need to add complementary foods. Breast milk can be eaten until 2-2.5 years old, but complementary foods must be added, generally after 6 months of age, the baby can add complementary foods, just breast milk without adding complementary foods, will be detrimental to the baby’s growth and development, as long as the mother’s body allows, conditions allow, breast milk can be eaten until 2-2.5 years old. But if the conditions at home do not allow, complementary foods must be added on time, and do not stop breastfeeding, breastfeeding is good for the physical and mental development of the baby, and also conducive to the cultivation of parental relationships, etc. In addition, the baby’s psychological development is better when he or she is accompanied by the mother. During the weaning process, the mother must pay attention to keep the milk ducts open, you can use some milk returning drugs to treat, you can also local hot compresses to avoid inflammation of the mammary glands.