The research investigates Gong Yi's preservation of literacy and the transmission of Guqin music for cultural sustainability. As a skilled performer, instructor, and inventor, Gong Yi has been instrumental in preserving ancient Guqin practices while advancing their musical and educational evolution. His comprehensive study, polished playing techniques, and use of innovative approaches have expanded the expressive potential of the Guqin, securing its ongoing significance in modern music. In addition to his performance, Gong Yi has devoted decades to Guqin education, guiding students in conservatories, foreign institutions, and public outreach initiatives. His educational tools and multimedia teaching resources have rendered Guqin music more accessible to varied audiences. Moreover, his lobbying efforts led to the Guqin being recognized as a UNESCO Intangible Cultural Heritage in 2003, enhancing its global cultural importance. Gong Yi has significantly impacted the sustainability of Guqin music through a harmonious blend of preservation and creativity. His work illustrates how personal commitment may influence the course of intangible cultural heritage, guaranteeing its preservation for future generations and promoting worldwide appreciation.