Book excerpt: Social science is all the field of science that deals with human beings in their social context or all areas of science that people study as members of society. A s people who are engaged in social science, we must be sensitive to social phenomena in society, especially those associated with tourism in Bali. Therefore, the conference named International Conference of Social Science (ICOSS) on the role of social science for sustainable tourism development in Bali is held which involves Social Science fields, such as; economics, law, socio-politics, and language