Intervention on Non-prescription Antibiotic Use Among the Public

The purpose of this study is to test the effectiveness of health education int led by community health workers for non-prescription antibiotic use among the public. In this two arm cluster randomised trial, In this two-arm cluster randomized controlled trial, 22 communities were randomly allocated in a 1:1 ratio to intervention and control groups. In the intervention group, family doctors will conduct WeChat-based health education on responsible use of antibiotic for the participants. In the control group, only routine public health education will be provided without any involvement in antibiotic use. The primary outcome is the incidence of antibiotic use without prescription in the past month.