This paper selects the Fifth Beijing International Film Festival as the case study object, uses the theories of "cultural circle" and "secondary communication" to analyze its foreign communication strategies, and summarizes its relevant experience in improving international influence and strengthening China's cultural soft power under the premise of maintaining the culture with Chinese characteristics, with a view to benefiting the healthy development of foreign news reports on similar cultural activities in the future. Through roast about the negative experience of the film festival and the practice of advice, fans identify themselves as "festival builders" different from ordinary fans. They practice their own imagination about international film festivals and build a "cross-border cultural identity" with a global background. The participation of film fans in the Shanghai International Film Festival is a collective appearance and show of Chinese film fans.