ABSTRACT After Taiwan Air Cargo Terminal ¡]TACT¡^has walked through the monopoly, deregulation, privatization process, the services which they have been providing can't match the demand of modern cargo transportation, including of high-service-quality and high-speed-pass customs. The basic theory we adopted is¡§ Value Marketing Chains¡¨¡]Porter, 1985¡^and ¡§Competitive Advantages¡¨¡]Porter, 1990¡^in this study, its goals as follows: 1. To investigate the important service value factors of air cargo warehouse and difference range of service value after the privatization, 2. Discuss the correlation between service value and competitive advantages, 3. Use TACT cases to explain have an empirical on value chains and competitive advantages. This study is designed with retrospective-prospective due. By citing secondary data and in depth interviews offered from hardware etc. four key successful factors, by identifying, value delivery six step, and three stages cargo terminal organization type change, analyzed includes its value and four competitive advantages, example first-mover advantages etc. Furthermore, to design questionnaires and send 200 pieces surveying, get through depth interviews and data analysis, it show the four services value after privatization is high-degree and statistical significance expect hard-service . This study to codify a few consequence, example extend information service, quickly construct step, promote fixable service, aggrandize alliance, adjust contract and law, etc. keywords¡GPrivatization , Value chains , Value marketing chains , Competitive advantages..