Through Combing the historical data,the author holds that this old city should be constructed by Alashan Mongolian Prefecture Chief Abao who presides the various tribes Qinghai Mongolian during Yongzheng emperor of Qing dynasty.

On the Intermarriage between the Alashan Mongols and the Qing Royal Court;

First of all, the author not only shows the relationship between the Mongolian and Islam in Mongolian Empire and the Yuan dynasty, but also explains the history origins of the Alexia Muslim Mongolian people, who are mainly accompanied by several generations of leaders, and afterwards as the social and natural environment, they are living together with the local Alexia Mongolian people.