There are no clear rules on what complementary foods a six or seven month old baby should eat. However, generally six or seven month old babies should eat complementary food in the form of puree or mud, such as rice flour, fruit puree, vegetable puree, etc. can be eaten. Six or seven months of the baby to add complementary food can be easily digested but not easy allergic to the mud paste food to start adding, such as iron rice powder, vegetable puree, fruit puree and so on. Start with a small amount of a single complementary food and observe whether your baby develops allergies or abnormalities such as vomiting or bloating. If the baby does not have any discomfort symptoms, it means that the baby is not allergic to the food and can digest and absorb it, then you can gradually increase the amount or increase the types of complementary foods. However, if the baby has allergies or indigestion and other discomforts, you should stop adding this kind of complementary food, and if necessary, consult a doctor in time, and give targeted treatment under the guidance of the doctor. Six or seven months baby to add complementary foods at the same time, need to pay attention to this stage or to breast milk as the baby’s main source of nutrition.