Patients with fever and diarrhea need to take different treatments according to different causes: 1. If the fever and diarrhea are caused by gastrointestinal colds due to viral infections, they need to take Huo Xiang Zheng Qi capsules for treatment, as well as ibuprofen and montelukast to treat the symptoms of fever and diarrhea symptomatically. 2. If the fever and diarrhea are due to acute enteritis caused by pathogens such as intestinal infections, the symptoms need to be treated with quinolone antibiotics under the guidance of a doctor, such as norfloxacin for etiological treatment. Patients with body temperature over 38.5℃ can take acetaminophen for cooling treatment, and can also take probiotics and other drugs to regulate the gastrointestinal flora and improve the symptoms of diarrhea.