The order of adding complementary foods for small infants is from thin to thick, from fine to coarse, from soft to hard, and from less to more. Small infants can start to add complementary foods at 6 months of age, mostly pureed foods, such as rice paste, fruit puree, liver puree, etc. Egg custard, minced vegetables, minced meat, etc. can be added from July to September, and soft rice, soybean products, and fish, etc. can be added from October to December. most of the foods for babies aged 1 year and above can be eaten now. In the process of adding complementary foods, we should pay attention to follow the principle from thin to thick, from fine to coarse, from soft to hard, from less to more, step by step, one kind of food after getting used to it, and then add another kind. If you feel uncomfortable during the process of adding complementary foods, it is recommended that you consult a doctor promptly.