For publishing the performances of Surveying and Mapping Technology Developing Program, NLSC held “The 2009 symposium on Surveying and Mapping Technology” at National Cheng Kung University on July 15, 2009. 230 participants attended the symposium. Director Lin Yen-Shan hosted the opening ceremony. Deputy minister of MOI Tseng Chung-Ming, Prof. Yu Pao-Shan and Prof. Yang Ming addressed the meeting. 7 keynote speeches were delivered and many exhibitions were presented at the conference.