In the absence of allergies, six-month-old babies can consume watermelon in moderation, but should not be overconsumed, so as not to cause gastrointestinal discomfort in babies. Watermelon is a daily fruit, which contains rich nutrients, including carbohydrates, carotene and lycopene, etc., moderate consumption of the above nutrients for the baby, there is a certain nutritional value. However, since the digestive function of six-month-old babies is still not perfect, it is recommended that watermelon be squeezed into juice or crushed into puree during consumption, which is conducive to better digestion and absorption by babies. Too much watermelon may cause abdominal pain, diarrhea and other discomforts, it is recommended to eat a small amount. In addition, watermelon is rich in sugar, so it is recommended to give your baby some water or gargle after consumption to prevent tooth decay. Babies who are clearly allergic to watermelon are prohibited from consuming it.