This course will introduce you to the tropical medicine and touch on the management of those tropical diseases and neglected tropical diseases. Community health care system and health security system will be introduced based on Thailand context and system. Community health problems will be discussed and how to mange considering social determinant of health and applying community interventions effectively. The learners will be introduced to research covering all steps of conducting research and learn how to translate into the routine practice. Best practices are introduced through the field visits which covers all the themes of the course. In this online course, it is an introduction to the Tropical Medicine, Community Healthcare and research. The content is summarised and experiences to the courses are shown by pictures and videos of the former participants's learning activities.