This stsudy analyzed ‘Political-social function and significance of Tripitaka Koreana in the Goryeo Dynasty’. This study analyzed political and diplomatic background of Tripitaka import of Goryeo, philosophy that made the Tripitaka, political and social utilization of Tripitaka. Its main contents are as follows. Goryeo imported the Tripitaka in Song(宋) and liao(遼). These Tripitaka became foundation of Chojo-Taejanggyong(初雕藏) and Jaejo-Taejanggyong (再雕藏). Tripitaka imports have international politics correlation between three countries such as Goryeo and Song(宋) and liao(遼). In addition, countries were advocating cultural nation through the Tripitaka making. This study analyzed ‘organization and management of authorities’ and ‘purpose of the Tripitaka making from aspect of the inclusion’ for making of Goryeo Tripitaka and national Buddhist. Philosophy that made the Tripitaka pray for peace of the nation and overcome of national crisis in the blessedness of the Tripitaka. In addition, it is the idea that protect the country through the power of Buddhism(佛法治國). Tripitaka was accomplished the political and social function to construct a sense of unity by integrating society with the idea that protect the country through the power of Buddhism(佛法治國) through the Buddhist rituals and temples enshrined.