Babies add complementary foods 6 months after birth. Generally speaking, babies who are exclusively breastfed can have complementary foods added 6 months after birth. Breastmilk is the most nutritious, after the birth of the baby advocate breastfeeding, but as the baby grows up, the gastrointestinal function is gradually in the maturity, the type of food requirements are also increasing. The principle of adding complementary foods should be from less to more, from one to many, slowly add the type and amount of food. Pay attention to add complementary foods as much as possible steamed, you can steam egg yolks, vegetable puree, fruit puree and so on. Avoid frying, pickling and other foods, and add less greasy and sweet foods. Be careful not to add complementary foods too late, so as not to affect the infant’s nutritional deficiencies and growth and development.