Abstract：The view of global history has been an inevitable trend in the situation that people communicate more frequently nowadays. The world history before 1500 AD needs updating in both the system and contents and rebuilding from a macroscopic angle vertically and horizontally. First, the basic research unit should be civilization. The comparative history method can be used to estimate the historical status of the human civilizations in different areas. Each of their scales in the general history must be properly valued. The selection of history materials should have the effect on regional civilization as a standard. Second, properly dealing with the interrelation between agricultural and nomadic region generally influences the human civilization's development.
