The baby after adding complementary foods do not grow weight and complementary food nutrition is not enough, milk intake is not enough, digestion and absorption is not good, chronic diseases of abnormal consumption and other reasons, according to the cause of the different, parents can increase the complementary food nutrition, increase the amount of milk intake, change the nature of the food, bring the baby to the active treatment of the aspects of the solution. 1. insufficient nutritional supplementation: when the baby does not gain weight after adding supplemental food caused by insufficient nutritional supplementation, parents need to pay attention to increasing the types of supplemental food for the baby and do a good job of matching the nutrition of the baby’s daily supplemental food, so that the baby can get enough nutrition from the supplemental food. 2. insufficient milk intake: the baby after adding complementary foods do not grow weight by daily intake of milk is not enough, parents can reduce the amount of complementary foods, increase the baby’s daily milk, to ensure that the baby daily have enough milk intake. 3. digestion and absorption is not good: the baby after adding complementary foods do not grow weight may be related to the baby digestion and absorption is not good, it is recommended that parents can be food processing to be more detailed, such as the food into a small minced, small pieces of the state, to facilitate the baby’s digestion and absorption. 4. abnormal consumption of chronic diseases: the baby after adding complementary foods do not grow weight may be with its body there are allergies, chronic diarrhea, vomiting and other chronic diseases, caused by the consumption of disease, this time the baby needs to be treated symptomatically. Parents found that the baby after adding complementary foods do not grow weight, it is recommended to consult as soon as possible, under the guidance of the doctor for targeted treatment.