Abstract In general, plastic materials can be classified into two categories: "thermoplastic" and "thermosetting plastic", the former is usually recyclable, when the latter isn¡¦t, and which results the solid waste problem. In the same way in thermoplastic divided into: generic plastic, generic engineering plastic, high-performance engineering plastic three categories. As technology advances, a variety of industries flourish as the world trend, various products are gradually moves forward. To improve performance, high-performance engineering plastic is more widely used and occupied part of the product cost. However, all the using of high-performance engineering plastic in Taiwan relies on imports, as any discarded after use like bury or burn in the landfill and incinerator results waste of resources and pollution problems. Therefore, recycling has become an important tool to make full use of limited resources. In literature review, we discuss the theory of technological innovation, according to the data of high-performance engineering plastic scrap recovery industry, using the AHP model to identify key success factors, as a supplementary tool for corporate decision-making to reduce costs and increase product competitiveness. After the AHP analysis, this study found that high-performance engineering plastic scrap recovery industry in the technology innovation process should emphasize the principles according to the order of (1) Technology Innovation Strategy (2) Technology Innovation Investment (3) Sources of Technology Innovation (4) Organization Design and Culture, and found the indicators to access each of these four principles. Which allows us to create higher value, to maximize corporate profits, and lower raw material costs of manufacturing, to achieve great competitive in the market share when countries around the world are now confronted with the rising pressure of increasing oil prices and actively promoting the environmental protection, energy conservation, and carbon reduction.