Although the incorporation of Chinese into the national education system of Southeast Asian countries has achieved initial results, the breadth and depth of the incorporation of Chinese into the national education system is still limited, and it is urgent to promote the in-depth coverage of Chinese education and dissemination in Southeast Asia. Based on this, suggestions are put forward to comprehensively promote the integration of Chinese into the national education systems of Southeast Asian countries from the three levels of individuals, schools, and countries: we should take the "Belt and Road Initiative" as the background to strengthen professional construction and improve teaching quality, use the Confucius Institute as a carrier to deepen cooperation with Educational and scientific research cooperation among countries along the route; actively "going out" through Sino-foreign cooperative education, and promoting the internationalization of higher education.