In this paper, we will talk about some questions from a few viewpoints. Fist, how the government to implement the various tax policy to technology industry and its influence on the size than think about the implementation' necessary? Second, weather the government provided a low tax environment for business investment incentives and it will need to? This study suggests that most scholars only for single-issue analysis of the current economic situation and its will use a comprehensive analysis of system dynamics research and expected to provide the government and the enterprises to develop policies in Taiwan.