Due to the limited government subsidy for technical and vocational education and the rising rate of university admissions in recent years, the enrollment number of students has narrowed in the technical and vocational institutes. The quality and quantity of average education, decreasing school-age population, and transformation of the industry structures also directly lower the competitiveness of the technical and vocational institutes. Apply SWOT, Porter's five forces analysis, BCG matrix and life-cycle approach to explore the positioning of A Polytechnic College in the entire education system. In order to facilitate the transformation of the institute, settle the core of competitiveness for sustainable development and management.