This study was attempted to know the awareness of Advance Directives of adults in Gandwon-do province. Data was surveyed from 60 adults in Gangwon-do province by 42 item questionnaire for the awareness of Advance Directives. Subcategories of Advanced Directives questionnaire were knowledge, preference, experience for life-sustaining treatment and Advance Directives. The data was analyzed with the frequency and percentage using SPSS 24.0. 45% of Participants replied they knew the ‘life-sustaining treatment’ exactly. They preferred CPR 78.3%, mechanical ventilation 63.3% and blood transfusion 51.7% for their future special life-sustaining treatments. They did not preferred hemodialysis 8.3%, artificial respiration 6.7%, intensive care unit 6.7%, 8.3 percent of participants said that they well aware of Advance Directives. 86.6% of them hoped to write their Advance Directives. Despite such low awareness of the Advance Directives, the intention to write Advance Directives was high. Based on these results, it was found that the level of awareness of Advance Directives was very important for the intention to prepare Advance Directives. Therefore, regional programs and education on Advance Directives and periodic survey study for awareness of Advance Directives should be continued.