Finnish students have outperformed their international counterparts in three consecutive PISA's competitions since 2000. Educational researchers from more than 50 countries have visited Finland for observation and tried to delve into the reasons behind Finnish miracle. Educators have indicated that teachers play an essential role, although there are other reasons for such success. Especially, the key is the Research-based teacher education paradigm which is based on bottom-up, and grass-root professional approach. This study intends to investigate Finnish teacher education responsible for the excellent performance of Finnish students. At first, the theoretical foundation and curricular praxis of the Research-based teacher education paradigm were introduced. Then, the relationship between grass-root professionalism and Research-based paradigm was explored. Finally, it is expected that the results may provide theoretical and practical implications for further thoughts about the teacher education in Taiwan.