This study explores the function and role of musical stringed instruments among the Zhuang ethnic group in China's Guangxi Zhuang Autonomous Region. Through ethnographic fieldwork, participant observation, interviews, and content analysis of cultural artifacts, the study investigates the multifaceted significance of these instruments within Zhuang culture. Findings reveal that Zhuang stringed instruments play integral roles in entertainment, emotional expression, relaxation, community performances, cultural exchange, stage arts, and folk rituals. The Maguhu is a prominent instrument, particularly in solo performances and Zhuangju accompaniment, reflecting its unique timbre and cultural importance. Through their diverse functions, these instruments serve as vital conduits for preserving Zhuang heritage, fostering community cohesion, and facilitating cultural communication. Understanding the nuanced roles of Zhuang stringed instruments enriches our appreciation of Zhuang culture and underscores their significance in cultural identity and heritage preservation.