This study investigated discourse structure of consensus building between advanced Taiwanese \Learners of Japanese and Native Speakers. \The data was collected in five universities in Taiwan. A Taiwanese and a Japanese have a \conversation. They have friend relationship with each other. Totally, ten groups of data were collected. \There are ﬁve topics: “1. Decide the top three countries to live in”, “2. Decide the top three foods that \are most delicious”, “3. Decide the top three criteria for choosing a job”, “4. Decide the top three criteria \for choosing a lover”, and “5. Decide the top three criteria for being a teacher”. Choose a topic from the \ﬁves topics. The second phase is to have a conversation based on the selected topic. The conversations \are classiﬁed into 7 types, which are ⑴hint, ⑵evaluation, ⑶question, ⑷response, ⑸persuasion, ⑹\management, and ⑺others. Each speaker plays an important role in the conversation.