Children can consume watermelon in moderation during a cold. However, those who are allergic to it are prohibited from eating it. Colds are a common disease in children, mostly due to pathogenic bacterial infections, colds need to pay attention to light and easy to digest diet, watermelon contains sugar, water, eating watermelon can provide a certain amount of energy, but do not eat too much, so as not to lead to hyperglycemia. However, those who are allergic to watermelon are prohibited from eating it. In addition, since colds are usually self-limiting, treatment measures are mainly based on general therapy, including bed rest, ensuring daily water intake and indoor air circulation. If the baby has cough and fever, it is recommended to go to the pediatrician as soon as possible, under the guidance of the doctor to regulate the treatment, to ensure a good prognosis of the disease.