LinZhou City was an ancient frontier town during the period of Song dynasty,its well-protected grand heritage can play a significant role on research of polity,military affairs and ethnologic relationship in China's history.LinZhou Archeological Size,which is one of few existing Tang-Song dynasty's wall,provided substantial identification for study of Chinese compacted wall technology and ancient military defense.Therefore,a sensible conservative planning for this important national heritage-Linzhou Archeological Size is not only benefit on material legacy,but a kind of profoundly inheritance to Chinese culture and spirit.