The thesis comprises seven chapters: Chapter one expounds the research significance, the present research condition and problems in the study of Tibetan Legal culture. From the resent study of Tibetan Law, it is neglected to research the legal culture evolution and long history before Srong btsan sgam po (the upper limit of it is from Srong btsan sgam po,7A.D.). The reason of shortcomings : First, there are few materials of the legal and legal culture before Srong btsan sgam po. It is difficult to sketch th...