1. Why should we add complementary foods to 7-month-old babies? At about 7 months, the baby\’s digestion has been fully developed and he can begin to gradually add complementary foods. In addition to increasing nutritional intake, appropriate addition of complementary foods can also help babies practice chewing and swallowing abilities, laying the foundation for future oral development. 2. What foods are suitable for 7-month-old babies? For 7-month-old babies, you should choose foods that are easy to digest and rich in nutrients. For example, rice noodles, pumpkin, carrot and other vegetable purees, as well as grated fruit purees, etc. Alternatively, try adding a small amount of fish