It takes two hundred years from the mid -19~(th) century to the mid -21~(st) century for the Chinese nation to rise from degradation to rejuvenation and this period may be divided into six historical stages.

It is pointed out in this paper that the ethnic group transference in this region can be divided into six historical phases and each phase presents different characteristics.

Based on the analysis of the historical development of Chinese modernization,the paper divides the historical stages,reveals the tasks and characteristics of political development in different stages,and discusses the necessity of the choise of the political development of socialism with Chinese characteristics.

Protection and utilization of the historical section and reproduction of history;

On the protection and reparation of typical historical section in Qinglong street in Banqiao town;

Briefly giving introduction to the course of project design, this paper displays the consideration on how to hand down the local context and conform to the circumstances of base in building renewal of historical section under the development of commercial estate.

Research on Guiding System for Historic Area in Xi an;

Through analyzing the historic area of Gucheng Laojie,this paper describes the effect of natural geography and social economic that has done to the development of the town.

Through analyzing the history, culture, space pattern and architecture regional features of the historic area of Gucheng Laojie, this paper explores the formation and devel.