Youth is not only as an important force to promote historical development and social progress, but also to be a key subject to strengthen cultural self-confidence. The degree of recognition of national culture and the depth of cultural self-confidence foundation of youth directly affect their depth of viewing cultural differences, which affect their value system in the collision with the world's multiculture in the future as well. Combined with the current situation of International School Students' cultural self-confidence education, this study analyzes the dilemma of International School Students' cultural self-confidence, and puts forward the strategies of strengthening the cooperation between family, school and community, and jointly carrying out cultural self-confidence education, so as to provide reference for improving the comprehensive quality of International school students.