Children with fever can eat dragon fruit in moderation. However, those who are allergic to dragon fruit are prohibited from eating it. Fever is defined as a body temperature that exceeds the normal range, and a temperature of >37.5°C is generally considered to be a fever. The most common causative factor of fever is infectious fever caused by viral or bacterial infection. Dragon fruit is rich in dietary fiber, which is beneficial to the human body, and can be consumed in moderation if the child is not allergic. It is recommended that no more than one at a time, to avoid high dietary fiber caused by diarrhea and other gastrointestinal symptoms. There are many causes of fever, it is recommended that when the child has a fever, timely consultation, under the guidance of the doctor to improve the relevant examination, to clarify the cause of the disease, to give targeted treatment or treatment.