Taiwan¡¦s successful industry development model had admired by people in the world. To induce the successful industry development model was from agriculture industry, industry to hi-tech industry. Now some hi-tech products had been the No.1 in the world but some tradition industries competence are decreasing due to high cost of wage and land and low profit. Recently China¡¦s industry rises abruptly and relies on its low wage and vast local market to attract foreign capital investment. This situation made Taiwan tradition industries face severe competition. Some tradition industries are in view of surviving or diverting risk to invest hi-tech industry. Some are success but more are failure even cumbering mother companies. According to Taiwan tradition industries situation, we consider if tradition industries do not understand what core resources they own or what key success factor on hi-tech industries and invest in a swarm of bees will cause vast damage. The research is based on resource-based theory and search for the key success factors of hi-tech industries, and to realize what the competitive dominance is. We hope the research result will help for tradition industries to invest hi-tech industries. This study has three steps as following: (1) Through comparing differences between tradition industry and hi-tech industry to design questionnaire and interview experts deeply to get the key success factors. (2) To check the results by successful company. (3) To present the results of analysis and to give some suggestions. In conclusion, we get five key success factors as following: (1) Leader characteristic (2) The ability to get outer capital (3) The ability to get right professional team work (4) The ability of technique (5) Company culture