Breastfeeding babies, complementary foods are generally added around 4-6 months is better, mixed feeding or milk powder four months to add is better. With the growth and development of infants, gastrointestinal function gradually perfect, and pure breast milk often can not meet the nutritional needs, you can add complementary foods to the baby around 4-6 months when appropriate. For mixed feeding or formula feeding babies, add complementary food time is often earlier, in about 4 months can start to add complementary food. To the baby to add complementary foods time should not be too early or too late, generally the earliest not earlier than 4 months, not later than 6 months, otherwise the baby nutrition is not balanced. Add complementary foods to take a gradual approach, from one to many, from a small amount to the right amount, from thin to thick, from fine to coarse. In addition, when adding complementary foods to the baby, we should pay attention to add some easily digestible food, such as fruit juice, vegetable puree, etc., and pay attention to the diversification of complementary foods.