The Beijing 2022 Winter Olympics, a pivotal global event amid the lingering impacts of the pandemic, disseminated Han culture elements to the world through diverse carriers. Employing the literature review method, this paper sorts out the communication paths and core connotations of Han culture during the Beijing 2022 Winter Olympics, analyzes the specific promoting role of Han culture communication in international relations, and refines practical insights for the effective communication of Han culture. It aims to provide references for the international communication of Chinese culture and the development of international relations in the new era.