Possible causes of fever and foot pain in children include infectious diseases, inflammation of the feet, cellulitis and so on. 1. Infectious diseases: fever is due to a variety of viruses attacking the body, the formation of infectious diseases, most of which will be accompanied by general muscle pain or joint pain and other symptoms, including pain in the feet, there may be children with fever foot pain. 2. Inflammation of the feet: if the feet have pressure pain, redness, swelling, or even purulent exudation, it may be inguinitis, and when it is serious, it will be accompanied by fever, and then there will be the symptom of children’s fever and foot pain. 3. Cellulitis: cellulitis caused by hemolytic streptococcal disease, neutrophils and leukocytes increase in the peripheral blood picture, leading to inflammation spreading to the surrounding area, often in the limbs or other parts of the body, which will cause children’s fever and foot pain. Children with fever and foot pain, there may be other conditions, it is recommended to go to the hospital in time to improve the relevant examination, in order to clarify the situation and take appropriate measures.