Usually, it is not possible to add complementary foods to a 6-month-old baby. 6-month-old babies are simply breastfed, which may cause nutrient deficiencies and even affect the growth and development of the baby, so it is recommended to add complementary foods to a 6-month-old baby. Of course, if the 6-month-old baby has a physical disease, such as those who can not eat through the mouth, can be suspended to add complementary food. Baby 6 months does not add complementary food, the impact mainly includes the following aspects: 1, nutrient deficiencies: baby before 6 months, pure milk feeding can basically meet the nutritional needs, but as the baby grows up, the nutritional needs increase at 6 months, pure milk feeding without adding complementary food, has not been able to fully meet the baby’s nutritional needs, may cause the baby nutrient deficiencies, and even nutritional deficiencies, affecting Baby’s normal growth and development; 2, can not exercise the baby’s swallowing ability: milk fluid food to solid food in the process of transformation, can exercise the baby’s swallowing, chewing ability, is a baby must have a survival skill when they grow up. 6 months baby breastfeeding alone without adding complementary food, swallowing, chewing ability will be affected, may cause the baby miss the taste, chewing function development of the key period, later The development of children will be adversely affected; 3, affect the maturation of the gastrointestinal tract function: the baby in the development process, the need to consume more different types of food to promote the development of digestive enzymes and digestive function of the gastrointestinal. So the baby to 6 months of age, there is no abnormal situation, should be timely to add complementary foods, gradually adapt to the transition from fluid food to solid food, to obtain a richer nutrition, to avoid the child long-term pure milk feeding lead to immature development of gastrointestinal function. So 6 months of normal babies do not add complementary food is not possible, to add complementary food to the baby, from the vegetable puree, fruit puree and iron-containing formula rice powder to start adding, a small amount to add, gradually transition. Adding complementary foods follow the principle of from little to much, from one to many, from fine to coarse, from soft to hard, neither not to add, nor to add too much.