ABSTRACT This paper aims to survey the supply status and demand of the s cientific & technological information among the 1,059 small enterprises demanding the support in Busa n, Ulsan and Gyeongsangnam-do which have been supported by the Branch of KISTI and to propose the approaches to improve the scientific & technological information system. As the results of this research, Busan, Ulsan and Gyeongsangnam-do have very poor business and R&D environment to the extent that 96.3% of businesses was small business (medium business only for 3.7%) and 31% of t otal small & medium-cized businesses has less than 10 R&D workers. Small & medium-sized businesses w hich have demanded the information to KISTI account for only 0.2% in average for 3 years. The info rmation demand types are market trend (26.8%), industrial property right (22.1%), business proposal ( 19.9%), item exploration (16.8%) and quality certification (8.4%). The supplied informations include scientific and technological data survey, market survey, translation and information application seminar. The business achievements from the information supply include 379 cases in technological developme nt improvement and launch of products, 88 cases in technology certifications and 414 cases in patents and utility design application and registration. By the analysis results, the small and medium-siz ed businesses have difficulties in using R&D information by themselves. Thus, it’s proposed to establish the science and technology information center in southeastern region and develop the information advis ors specialized in local specialty industry categories. It’s also proposed to expand the manpower and budge t of KISTI concerning the information support for small & medium-sized businesses.키워드: 중소기업, 과학기술정보, 기술정보, 연구정보, 정보지원Small and Medium Enterprises, Scientific and Technological Info rmation, Technological Information, Research Information, Information Su pport