The purpose of this paper is to examine teaching competence of "Kyosyoku-Nyumon". It is examined by analyzing two questionnaires about student's ambition to teacher and evaluation of teaching, and one student's report on "did you wish to be a teacher by taking this lesson?" The major purpose of "Kyosyoku-Nyumon" is to teach the significance of teaching. In teacher education curriculum, "Kyosyoku-Nyumon" is the initial subject. So, it is considered that it highly impacts on student's ambition to be a teacher. The results of this paper are as follows : 1. knowing the current situation of teachers (employ standard of conduct, teacher's burnout and school non-attendance), some students are worried about being teachers. But most of them do not care that situation. 2. Most of students need a teacher of "Kyosyoku-Nyumon" to admonish students who have a poor attitude in class. It is necessary to improve teaching competence of "Kyosyoku-Nyumon". To improve their teaching competence, the class size of "Kyosyoku-Nyumon" has to be smaller.