The accumulation of food in babies may lead to the emergence of fever. Fever may be caused by accumulation of food, mainly because the baby’s resistance is relatively poor at this time, coupled with the central nervous system abnormalities caused by accumulation of food, so the symptoms of fever will occur. However, the temperature of fever caused by food retention in babies is usually not very high, rarely exceeding 38.5℃, and the fever symptoms will disappear on their own after the food retention is relieved. If the baby’s fever is caused by food retention, if it does not exceed 38.5℃, priority should be given to physical cooling, such as placing fever-reducing patches on the head, etc., and at the same time, letting the baby drink plenty of lukewarm water to help the body dissipate heat. If more than 38.5 ℃, can take ibuprofen and other drugs under the guidance of the doctor to reduce fever. Fever at the same time, but also dietary adjustments, light diet, etc., if necessary, can follow the doctor’s instructions to take pediatric oral solution to ease the accumulation of food. Baby accumulation of food fever, it is recommended that timely medical attention.