A technology projection supporting apparatus includes a describing section extracting unit and steps for extracting a problem describing section and an effect describing section from each technical document, a technical phrase extraction unit and steps to extract a technical phrase, which indicates a matter to be achieved by a technology, from each of the problem describing section and the effect describing section, an impact determination unit and steps for determining a business impact to be made by the matter indicated by the extracted technical phrase, a naming unit and steps for naming the extracted technical phrase; and a technology map generation unit for generating a technology map. The generated technology map has axes indicating time length to be required to implement technology and business impact.