Throughout Vietnam's historical and cultural development, Vietnamese Buddhism, along with generations of monks, nuns, lay practitioners (householders), and Buddhist followers from various sects, has made significant contributions. Among these, Thiền tông (Zen Buddhism), Tịnh độ tông (Pure Land Buddhism), and Mật tông (Vajrayana Buddhism) have played a crucial role. However, to effectively utilize and understand this rich heritage, meticulous and rigorous scientific research is essential.