The role of the teacher in the EFL context is a key to success for the improvement of learners' English abilities. Research has been conducted on how to improve English teacher education system in Korea to cultivate competent English teachers. However, few attempts were made to examine how the English teacher education system in general has changed in the last few decades. This study aims to revisit the English teacher education system in Korea on the basis of the teacher education models. For this, the pre- and in-service English teacher education research and programs are reviewed and analyzed. At least two new changes are recognized. The current pre-service program has become more English education oriented compared to past programs. In the in-service program, a new perspective of "teacher development" has been adopted to emphasize teachers' self-reflection. Several practical ideas were suggested for both pre- and in-service English teacher education programs so as to meet teachers' needs and the changes in the Korean EFL environment.