Seven-month-old babies can eat mangosteen in moderation while paying attention to nutritional balance, but those who are allergic to it should avoid eating it. Mangosteen belongs to a kind of fruit, which is rich in nutrients, containing rich dietary fiber, vitamins, sugars and many minerals such as magnesium, calcium, phosphorus, potassium, etc. It can replenish energy and nutrients, which is conducive to the growth and development of the body, so seven-month-old babies can eat mangosteen. However, mangosteen is high in sugar, so pay attention to moderation, do not take in too much at once. In addition, those who are allergic to mangosteen should also avoid eating it. In normal times to develop good eating habits, pay attention to dietary diversity, to ensure balanced nutrition, do not overeat, do not pick food or partiality. Wash your hands frequently and pay attention to dietary hygiene. Specific diet can consult a medical professional for advice.