Volunteering is becoming an integral part of life of people of different age. Volunteers can currently be met in every sphere of life. The phenomenon of readiness to free aid is particularly evident in healthcare. Schoolchildren, students and young specialists participate in this process. The purpose of the article is to systematize and represent the modern stage of medical volunteering development as part of volunteer activities and social phenomenon that can be formed with the help of a favorable environment and measures of support at the state, industry-specific and regional levels. Volunteer activity can serve as a good tool of sanitary education of citizens and volunteers.