When the baby is 2 years old, it is necessary to wean off breast milk, the main methods are gradually wean off breast milk, increase the intake of complementary foods in moderation, wean off breast milk during the day and then wean off breast milk at night and so on. 1. Gradual weaning method: Specifically, you need to gradually reduce the number of breastfeeding, such as from 6 times a day to 4 times a day, to 2 times a day, until the baby and the mother are adapted to the gradual reduction, and finally completely weaned off the breast, in order to achieve the purpose of weaning. 2. Moderate increase in complementary food intake: 2-year-old babies have generally added a period of time of complementary foods, in the beginning of the weaning, parents can gradually increase the baby’s complementary food types and quantities, so that the baby appropriate more complementary food, so that the baby’s eating habits are gradually transitioned to the eating habits of adults, in order to achieve the purpose of weaning. 3. first wean the daytime breast milk and then wean the night milk: 2-year-old baby exploration and knowledge of the ability to become stronger and stronger during the day through some activities to divert the baby’s attention on the breast milk, the first to reduce the baby during the day to eat breast milk and the amount of breast milk, and finally stop breastfeeding during the day, and then wean the night milk. Care should be taken not to wean your baby when he/she is sick so as not to affect his/her growth and development.