The folk belief in Guangong broadsword is an extension of Guangong faith and also a spiritual sustenance of the Chinese nation's reverence for Wushuand righteousness. The article uses the methods of literature review, historical analysis, and logical reasoning to study the folk beliefs of Guangong broadsword, sorting out the folk beliefs that reflect belief concepts, behavioral habits, and sacrificial rituals, in order to interpret the connotation of Guangong broadsword's folk beliefs: the folk martial sentiment of valuing strength, speed, combat, and war, the folk moral demands of loyalty, righteousness, benevolence, and bravery, the advanced folk beliefs of weapons, ritual vessels, Taoist vessels, and ritual vessels, and the folk spirit of protecting the people, the lord, the country, and the law. At present, the folk belief system of Guangong broadsword blends the dual factors of folk sacrificial rituals and folk Wushuactivities, further honing the courage and perseverance of Chinese people worldwide.