The purpose of this study is to analyze the duties and tasks of international conference protocol using the DACUM method. In order to achieve the objective, the following research questions are formed. First, what are duties and tasks of international conference protocol? Second, what are general knowledge, skills, work behaviors, tools, future trend and concerns of international conference protocol? Third, what are the level of importance, difficulty and frequency of each task? Forth, what are the key tasks of international conference protocol? In order to answer the above research questions, the DACUM method and the survey method were used. Seven duties and 42 tasks were identified as the international conference protocol`s job content and the level of importance, difficulty and frequency was measured for each task. Based on the level of these three categories. 12 tasks were identified as key tasks. Among the 12 key tasks. 11 tasks were belong to preparing protocol, inviting VIP and banquet. Also the competencies such as attitude, knowledge, skills and abilities required for the international conference protocol were identified. The result of this study can be utilized to develop training contents for education institutions to train international conference protocol organizer as well as on-the-job training materials. Further studies are needed in the area of identifying general knowledge, skills and attitude of the international conference protocol organizer in each key task. Also since the sample of this study are mainly international conference organizer who work in professional conventional organizer located in Seoul metropolitan area, further study should include international conference protocol organizer in other cities and other convention fields.