The second edition of knowledge king of social science kicked off on May 9^th at National Cheng Kung University. Knowledge King is the most significant event of NCKU social science week. Starting from May 8^th to May 12^th, social science week has reached its second year. A series of event including big eaters and lectures is held through this week. According to the event organizer, the goal of this event is to let the college of social science be seen by NCKU students in general. Through this creative and knowledgeable contest, not only did the students gain knowledge outside their own department, but they also fully enjoyed the fun in knowledge.