There is no specific complementary food for 6-month-old babies, but it is usually recommended to choose easily digestible and non-allergenic complementary foods, such as iron-containing rice pudding, vegetable puree, fruit puree and so on. Iron-containing rice pudding is especially suitable for babies in the early stage of adding complementary foods, which is easy to digest and absorb and is not prone to allergies. Add from a small amount to start, if the baby after eating no discomfort, you can gradually increase the amount of rice flour. At the same time, you can also gradually give the baby to eat vegetables puree, fruit puree and other foods, increase the intake of vitamins, and rich in fiber, to prevent constipation. When adding complementary foods to the baby, not too many types, a small amount to the baby to try, and pay attention to observe the baby has no symptoms of discomfort, such as diarrhea, bloating, allergies and other adverse reactions, the food should be less and rotten, easy for the baby to digest.