质量是知识经济条件下企业获得竞争优势的关键,而创新是决定质量的核心,质量机能展开、发明性问题解决理论和田口方法的综合应用是创新的有效方法。 Quality is the key for enterprises to gain competitive advantage under the condition of knowledge-based economy. Innovation is the core of quality decision. The combination of quality and performance, theory of invention problem solving and Taguchi method is an effective way of innovation.