1, supplemental food species from a single to a variety of only one new food added at a time, and after the baby adapted to it, add another one a few days later. In case your baby has an allergic reaction, you will know which food is causing it. 2, the texture of complementary foods from thin to thick First of all, start to choose fine and thin texture of complementary foods for your baby, which is good for your baby to learn the swallowing action, and gradually increase the consistency of complementary foods as time goes by, which is good for your baby’s gastrointestinal tract to gradually adapt to the change of these food properties. Shen Lixiao, Department of Child and Adolescent Health Care, Shanghai Xinhua Hospital 3, the amount of complementary foods added from less to more At first, feed your baby only a small amount of new food, about a small spoonful, and then slowly increase the amount after your baby gets used to the new food. As the baby continues to grow and develop, the amount of food he needs will also increase accordingly. 4, the production of complementary foods from fine to coarse At the beginning of adding complementary foods, in order to prevent your baby from swallowing difficulties or other problems, you should choose complementary foods with fine particles, such as rice flour, mashed potatoes, tofu, mashed fish, etc. As your baby’s chewing ability improves, gradually increase the particles of complementary foods, such as mashed vegetables, mashed meat, etc. 5, pay attention to the baby’s health Adding complementary foods is best done when the baby is healthy, otherwise the signals of the baby’s discomfort will be mixed with the symptoms of the baby’s allergy to new foods, which is not conducive to the identification of mom and dad.