The development of modern science and technology, becomes Taiwan’s important goal and mission. The development of technology, depends on the cooperation of the industry, the government, and the academic world. The achievement of high technology, needs the high quality legal environment to construct. Therefore the research of the technical law has its time significance and the reality need. This article is proceeding from the constitution, established science and technology constitution concept and content. To take the technical fundamental law as an example, to construct the substance of Taiwan’s technical fundamental law.