Abstract: In the theoretical research and practical work of the party construction in colleges and universities, the party construction of college students is the key research topic. Based on the multi-cultural background, it gives new environment and connotation. Facing the development opportunities and challenges of the times, it is necessary to explore the corresponding learning mechanism and guarantee mechanism, optimize and innovate the existing education and training mode, establish the function platform, and constantly optimize the assessment and evaluation system, so as to give full play to the exemplary role of Party members.

Key words: Multicultural background, College student party members, Vanguard model, Mechanism of action