The purpose of this study is to analyze the teaching innovation report submitted in the first-grade teacher qualification training program and suggest the direction of improvement of the first-grade teacher qualification training program. In order to achieve the research purpose, 195 case reports of teaching innovation were analyzed through text mining. The research results and discussions are as follows. Firstly, it was found that learning topics were selected by reflecting national and social needs when design and implement moral class. Secondly, it was found that group activities, projects, and discussions were mainly used to develop students’ morality when design and implement moral class. Thirdly, it was found that in order to develop students’ morality when design and implement moral class, moral imagination was connected to moral issues, moral judgments, and moral emotions, respectively, and through this, moral behavior was come out. Based on the analysis results, the improvements to the first-grade teacher qualification training program are as follows. Firstly, pre-education, intermediate education, and post-consultation procedures should be established for professors and instructors in charge of training lectures. Secondly, it is necessary to strengthen the moral development method and evaluation centered on moral psychology theory. Thirdly, it is necessary to prepare a time for continuous personal relationship formation between professors/instructors in charge of training lectures and trainees assigned to each class. Fourth, the trainees who received the highest evaluation should be used as instructors or mentors for the next training program.