The ability of help-seeking could be very important to adopt their school life for children and students. The purpose of this study is to examine how classroom teachers promote their students’ ability about it. Twenty classroom teachers and their students, totally seven hundred and seven students from 5th graders to 8th graders participate in this research. First, teachers answered about their supports in classrooms according to three strategies, they were through cognitive change, through ability of help-seeking, intention for it and solidarity among their classroom. We discussed about the effectiveness of three strategies, developmental differences to use them and the effectiveness the solidarity of classroom. Additionally, we discussed classroom teacher should be key person to promote help-seeking ability of their children and students.