Abstract: Public discipline in enforcing health protocols is the main key in suppressing transmission of COVID-19. The discipline of applying the 3M health protocol, namely wearing masks, maintaining distance, and washing hands with soap. The purpose of this study was to describe the application of health protocols to sanitarian workers in Mamuju district. This research method is an observational study, with a descriptive design, the sample is a Sanitarian who is assigned to a health service facility in Mamuju District. The sampling method is carried out by accidental sampling of 19 people, information is obtained through a questionnaire on google form which is sent via social media WhatsApp.