A Cluster Randomized Controlled Trial to Compare the Rate of Antibiotic Infusion

"* Training: Train emergency doctors every month on how to use antibiotic infusion reasonably; The prescription, cancellation, or method of use of antibiotics is decided by doctors.~ * Implementation of intervention cards: When the C-reactive protein (CRP) of patients is exceed 10mg/L, the doctor should determine whether to use antibiotics based on the clinical status of patients.~ * Promotion: Promote reasonably use of intravenous antibiotics through public accounts and posters.~ * Patient education: Distribute educational flyers to patients about how to use antibiotics reasonably."