Now face of the twenty-one century, "knowledge economy era", the era of knowledge economy is the very important factor in resources, knowledge, and knowledge is most valuable, special in construction industry business. Many industries (especially in the construction industry ) has been gradually realized that sustainable competitive advantage to be no longer just a physical plant, land, labor, raw materials, capital, technology, but the intangible knowledge assets, knowledge management as if become the most popular topic, so have the knowledge management organization. This study is major in study the " knowledge management " used in the construction industry, through study and in-depth study in construction project about " how to united resources and knowledge property " and using in specific- project, and let this become useful in the highly competitive market, enhance the company become more competitive topic. In this study, we use "knowledge management" as based and research; we use open type interviews and study and use try from theory to practice and got report from tablet (case studies) the conclusions of this study was obtained are: 1. the "knowledge management "how they affect in Construction industry¡D 2. "knowledge management" success factor 3. We study the "knowledge management" in construction industry and project industry management relations. 4. Corporate knowledge management actives of the establishment, for the impact of construction technology management strategy development.