Babies older than 6 months can start to eat watermelon, but those who are allergic to it, gastrointestinal upset and other special circumstances are prohibited from eating it. 6 months of age before the baby pure breastfeeding can meet its growth and development of the nutritional needs, with the baby’s age to 6 months, breast milk to provide nutrition, including energy, protein, vitamin A, iron and other micronutrients, can not fully meet the needs of infants’ growth and development, the need to add complementary foods in a timely manner. Watermelon contains glucose, malic acid, fructose, protein amino acids, lycopene, vitamin C and other substances. Since 6 months of age, you can feed your baby some watermelon juice in moderation to provide the required nutrients for your baby’s growth and development. However, it should be noted that if the intake of too much watermelon may cause the baby diarrhea, abdominal pain and other discomforts. And watermelon contains more sugar, after eating, pay attention to feed the baby some water or gargle to prevent tooth decay. A very small number of babies may be allergic to watermelon, parents need to pay attention to observe whether the baby has a rash after eating watermelon. Babies who are allergic to watermelon are prohibited from eating it.