The prototypes of myths of first ancestor and founding state of the Gaogouli in Samguk Sagi could be found in SHANHAIJING,SHIJI,LUNHENG,HUAINANZI and other Huaxia literatures.These myths were gradually formed with the development of the Gaogouli,and the materials of Huaxia literatures was helpful for their formation.By these myths,the rule of Gaogouli royal family was legalized and strengthened,and the idea of divine right of kings was strengthened,too.Taking myths from Huaxia reflected that there was communication between the Gaogouli and the Central Plains and showed its cultural origins.