2013 International Conference on Fuzzy Theory and Its Applications (iFUZZY2013) will be hosted by National Taiwan University of Science and Technology(NTUST), Taipei, Taiwan, on December 6-8, 2013. iFUZZY 2013 is soliciting novel research results on fuzzy theory and its applications and related topics. Jointly organized by Taiwan Fuzzy Systems Association (TFSA) and NTUST, this conference provides a very good opportunity for research scientists, investigators, industrial practitioners and government representatives to present their results and to exchange their ideas.