Principles of complementary food addition: from small amount to large amount, from one kind to many kinds, from soft to hard. According to the needs of infants’ growth and development, it is recommended to gradually start adding complementary foods after 6 months of age to supplement the nutritional needs of the body and to gradually adapt infants to foods other than milk. The main source of nutrition for infants around 6 months of age is still milk, therefore, whether they are breastfed or artificially fed, they must ensure a daily milk intake of 600-800ml. 2, add the order: cereal (such as infant nutrition rice flour, iron-fortified rice flour is recommended) – vegetable juice (puree) and fruit juice (puree) – animal food (recommended order of animal food addition: egg yolk puree – fish puree – whole egg -minced meat). 3.Adding principles: add a new food each time, from little to much, from thin to thick. 6-7 months old add pureed food; 7-10 months old transition to chewable soft solid food; 10-12 months old switch to eating solid food-based meals. If your baby does not like it very much, remember not to force-feed it, but add it gradually when your baby is in good condition, do not rush. Your baby may have digestive problems after adding a food, showing food residue in the stool, so don’t worry and keep adding it.