Baby five months some cases can eat complementary foods, generally add complementary food time is 4-6 months, but the specific baby to add complementary food time, need to be based on the baby’s specific situation to decide. For formula-fed babies or babies lactose intolerance, can not eat breast milk baby can be early to add complementary foods, 4 months to add complementary foods, in addition, for breastfed babies, it is recommended that the full 6 months to add complementary foods, according to the baby’s specific situation to then decide the time. In the addition of complementary foods at the same time, we must pay attention to observe whether the baby has nausea and vomiting, diarrhea and constipation and rash phenomenon, if so need to suspend the addition of this food, timely adjustment of complementary foods, you can change the other food to add, and at the same time, pay attention to the baby’s diet and nutritional balance, so as not to cause malnutrition in babies.