Yan Emperor Mythology originated in antiquity and runs through the long history of Chinese civilization. It is a relatively complete sacred narrative preserved by literature classics and word of mouth. Yan Emperor identity cognition system experienced the process from pluralistic discourse to integrated discourse, and finally formed a pluralistic and integrated narrative system. This system manifests differently across the nation, and the rituals at the Yan Emperor Mausoleum in Yanling County, Hunan, vividly exemplify such localized embodiment of the myth. Through interactions with historical steles, local chronicles, and other folk documents, distinct localization phenomena in the rituals at the Yan Emperor Mausoleum can be observed across the Song, Ming, Qing, Republic of China, and contemporary periods. At the beginning of the 21st century, after the inclusion of these rituals in the national list of intangible cultural heritages, they have taken on a ceremonial and politicized character, showcasing the process of historical reconstruction of local discourses. By analyzing the construction of a multifaceted integration and the reconstruction of localized rituals in the Yan Emperor mythology, this study aims to enrich the historical and cultural connotations of the mythology, reinforce the sense of a unified Chinese national community, strengthen Chinese cultural identity, and highlight cultural confidence.