The behavior of washing hands using soap and handsanitizer to break the chain of disease transmission and the use of masks is one of the preventive measures that can limit the spread of certain respiratory diseases caused by viruses. Activity Objective: Increase the knowledge of children and parents about how to wash hands and use masks correctly. Activity Methods: Through outreach using instructional videos and hands-on hands-on practice, this activity was attended by 20 children and activities were carried out online and offline. Results of the activity. There was an increase in children's knowledge and independence in the knowledge and practice of how to wash hands and use masks correctly (85%).