The main purpose of this study is to understand the effects and influences of “The Rainbow Kids Life Education Course” on the self-concept of the elementary students, as well as the feedbacks and opinions of the children toward the courses and teachings provided by “Rainbow Mama.” Purposive sampling is used in this research, in which one of the fifth-grade classes in an elementary school in Taipei County was designated as the experimental group. A 31-students was designated as the experimental group,and another fifth grade classes which of the same number was designated as the controlled group. The experimental group received two courses of life education per week for 9 weeks. Meanwhile, the controlled group did not receive any experimental treatment. The main method employed in this study is qualitative research, and quantitative research was used as supplement. In the qualitative research, the author played the role of observer who entered the realm of research to observe the procedures of “Rainbow Mama’s" teaching and the participation of the children in life education courses. In addition, the author evaluated the status of the changes on children’s self-concept and to understand children’s opinions toward the courses provided by the instructors through the methods of interview, observation, recording, and documental analysis, and etc. As of the quantitative research, quasi-experiment method was adopted, in which statistic analysis was used in analyzing differences appeared on the “Children’s Self-concept Scale” (hereinafter referred as the “Scale”) of the children before and after they have received life education courses. The results of the data analysis on are as follows: (1) The scores on the Scale show that the Rainbow Kids Life Education Course did not produce significant influences on the students of “experimental group.” (2) The qualitative data shows that the life education course has positive impact on the changes of self-concept of fifth-grade elementary school children. (3) The course feedback information shows that more than four-fifth of the students have positive perceptions toward the life education course. (4) Children learned from “Rainbow mamas” of what they taught and how they behaved. During the courses, the Rainbow mamas had set a graceful role model for those students. Suggestions also have been made on the instruction of life education courses and future researches of life education in accordance with the conclusion of this study.