Abstract: Example is a common method based on the analogical reasoning, which plays an important methodology function in scientific research, R&D and daily life. Based on summarizing forms and characteristics of creative thinking, this paper reveals the structure and extraction process of innovation methods, reviews the achievements and limited of TRIZ, and discusses the example research and its route. The author thinks that excellent scientist is outstanding representative of science and technology workers, their scientific research achievements and methods have typical demonstration role. Beside, analysis and comprehension and induction and deduction are the basic routes in example research.