Pediatric diarrhea is a group of diseases caused by multiple etiologies and factors, characterized by an increase in the frequency of defecation and changes in stool characteristics. Pediatric diarrhea can be accompanied by varying degrees of fever, primarily due to viral or bacterial infections. For example, clinically, infections with rotavirus can lead to high fever in children. Additionally, infections caused by various bacteria, such as bacterial dysentery, can increase the frequency of defecation and result in symptoms of bacterial toxicosis. In such cases, fever is also a symptom. Only when the infective factors are completely controlled can the body temperature return to a normal range.