《Mongolian Secret History》 Tengger (Heaven)-Etugen (Earth)-Gu Wen (Human) Trinity Ethical Relationship Research

《Mongolian Secret History》is the first Mongolian precious historicalwritings. Nevertheless, due to objective and subjective conditions,scholars didn't comprehensively study the ethical thinking in this writings.This paper illustrated the ethical thinking included in "Heaven", "Earth"and "Human" in《Mongolian Secret History》. "Heaven" mainly talkabout the ancient Mongolian religious ethics between "Heaven" and"Human". Ancient Mongolians consider that "Heaven" not only havenatural attributes and social attributes, meanwhile it also has politicalethics. "Earth" in addition to having religion, also includes ecologicalethics to protect natural resources and maintain ecological balance;"Human" tells of social ethics that Human and society harmony, explainsthat to deal with social contradictions and social development should baseon the specific circumstances of the special ethical relationship.Those ideas reflected the ancient Mongolians respect for nature,respect life, live in harmony, respect the heaven "Father", earth "mother"and Human as an organic whole harmony of Ethics, And shows that longbefore the Mongolians respect the harmonious coexistence between the"Heaven" "Earth" and "Human" as the process of the law of Humansurvival and development should not be ignored, and persist harmonious development ethics in the of relations between "Heavens intention""Earth reason", "Human view".