5-month-old babies certainly can not eat grapes, because grapes for such a small child is a complementary food, and according to China’s infant feeding guide, infants and young children to add complementary food age should be at least from 6 months to start. Secondly, grapes are inappropriate for such a small child because of their high sugar content, which may increase the osmotic pressure in the child’s gastrointestinal tract and cause diarrhea. In addition, such a small child eating grapes, it is likely that because the grapes are not washed clean, or the grapes themselves with bacteria, viruses, etc., will lead to gastrointestinal infections in children, causing diarrhea, vomiting, abdominal distension, abdominal pain and other gastrointestinal discomfort manifestations. Therefore, the above analysis of 5 months size of the child, certainly can not eat grapes, but also should pay special attention to supplemental food to add.