In the context of globalization, religious culture plays an important role in cross-cultural exchanges and international Chinese communication. This article analyzes religious culture's role in Chinese international communication and explores its application and impact in cross-cultural communication. Research shows that religious culture is an important carrier of cultural exchanges and a bridge that promotes mutual understanding and respect between different cultures. By analyzing cases of Chinese communication under different religious and cultural backgrounds, it was found that religious culture can effectively reduce friction and misunderstandings in cultural communication and enhance the depth and breadth of cultural exchanges. This article proposes strategies such as strengthening cultural education and training, using modern information technology, carrying out cultural exchange activities, cultivating cross-cultural communication talents, and strengthening international cooperation and exchanges to promote cross-cultural exchanges of religious culture in the international communication of Chinese. The research results provide new perspectives and methods for international Chinese education and point out the direction for future research and practice.