(Purpose) Historical and cultural heritage is a medium of local historical and cultural culture and an important foundation for leading the new development of the cultural and tourism industry. The purpose of this study is to establish practical guidelines for tourism development in Yongmunseokgul Cave by exploring the protection and development status of Nakyang historical and cultural heritage resources and new routes for tourism development through the analysis of empirical cases of the Yongmunseokgul Cave, a world cultural heritage (Design/methodology/approach) This study collected related literature, photos, and data through channels such as CNKI (Chinese Knowledge Net) in China and complete data such as Luoyang Tourist Site, Luoyang Statistics Bureau website, and Luoyang Culture Bureau website. Based on this, the theoretical basis for this paper was secured by accurately grasping the current status of the protection and development of Luoyang historical and cultural heritage resources and the current status of Yongmun Seokgul Cave. (Findings) In the case of Yongmun Seokgul Cave in China, problems were analyzed due to lack of publicity and marketing, low information level, lack of safety management, lack of smart project content, and omission of tourist information sites. Based on these problems, modernization and optimization of tourism were presented. (Research implications or Originality) This study aims to provide implications for the protection and development of historical and cultural heritage resources in the Nakyang Yongmun Seokgul Tourist Site by analyzing the current status of Nakyang historical and cultural heritage resources and tourism development.