Generally speaking, children with fever can eat apples, which can replenish vitamins for the body; at the same time, we should actively reduce the fever to avoid aggravation of the condition. Children with fever and infectious factors, non-infectious factors related to the body will lead to fatigue, loss of appetite and other adverse symptoms; children can eat some apples during the fever, can be supplemented with vitamins, water and a variety of minerals, etc., is conducive to good health, and will not lead to fever aggravation, but pay attention to the right amount, so as not to aggravate the burden on the stomach and intestines. But apples do not have a fever-reducing effect, children with low fever can take physical cooling, such as warm water bath; if there is a high fever phenomenon, we should promptly apply some antipyretic drugs under the guidance of a doctor, such as ibuprofen, acetaminophen, in order to achieve the purpose of fever reduction. Children with fever should actively seek medical attention, to clarify the causes of fever, and for the cause of treatment, conducive to the recovery of the condition.