This research aims

             (1). To study the faith principle provenance from the Buddhist Scriptures of Theravada Buddhism. (2). To study the faith principle along The Buddhism way and traditional Buddhist in Champasak province. (3). To study the way of life into the faith of Buddhism principle of Lao Buddhist Champasak province, Lao People's Democratic Republic. By using of education research papers and study in the field. Interview with storage analysis of the data by creating a conclusion.                                                                                            

             Research result                      

             Faith originated from the Buddhist scriptures of Theravada is belief, faith, reliability, belief about sin-charity, advantage- demerit. To have belief in advantage thing and disadvantage thing. But the main important have to consist with the wisdom, to be realistic enough reliable, faith into goodness thing and not faith lack of reason form or without wisdom. It compounds with the discipline principle or the five precepts and the five ennobling virtues, those things call real faith and right according with the principle of Buddhist teaching in Theravada’s Buddhism.                                                                                                                                       Living the traditions of Buddhism method faith principle about Buddhist tradition in Champasak province. It has some faith into traditional thing and culture that it attaches with natural there are faith, belief that they had been allayed together into apocalypse faith original. That is the holy object belief, respect for nature becoming with Buddhism‘s attitude belief and other traditional beliefs that connected with a way of life. Believing about the traditional benefaction in amount 12 months in Lao of Buddhism people style that method, activity for living with the community by administrator, leaders and followers for happiness living and orderly thing, rule, law, regularity with many people cohabitation. And reflect to living ways by the central Buddhism principle holding of soul attaching.

             The living in the Theravada’s Buddhism principle of Lao Buddhist people in Champasak. With practiced on the Dharma of Buddhism following. Practicing into threefold training (sikkhā) following: Higher virtue (adhisīla-sikkhā), higher mind (adhicitta-sikkhā), higher wisdom (adhipaññā-sikkhā) or largesse, virtue, training and according to the Eightfold Path method of practice. Noble Eightfold Path, four principles for helpful integration, principles for harmony, seven qualities, four conditions, living harmoniously in the company’s principle and the main truth in the central Buddhism method. The three main kind of speeches, namely:  1). not to do any evil, do not anything wrong by physical, speech, and mind doing.  2). to do good; to cultivate good, to making merits, right physical, speech, and mind practicing and having divine abiding, loving kindness, right living hood, truthfulness, doing with effort, sacrifice and sharing 3). To purify the mind, without gloomy passion cause and conducted in accordance with customary and culture which affiliated with natural, affiliated with Buddhism, being based on oneself, natural with learning and help together for harmonic living, to be able to live in a stable manner and peaceful life.