In the early period of Taizong Emperor of the Tang Dynasty and with the unification of the whole country,the Tang Government was gathering forces and waiting for opportunities to eliminate the threat from East Tujue Regime.

Turki regime always attached importance to make peace by a marriage between the royal families of two opposing states(Heqin),which is a special policy and strategy as a basic means of dealing with national problems in the history process of Turki regime.

A Study on the Epigraph of Ashinamomo of East Turk;

The nationalities and tribes that once ruled over Qianting Prefecture in succession were west Turk, Qixin, west Turk, east Turkic Tuoshe, Xue Yantuo, west Turk.

Circa AD 627 Climatic Cooling and the Sudden Collapse of the Eastern Turkic Khanate;

On the Wrong Quotation of Russian Word “Eastern Turkestan”;

“Turkestan”, “Eastern Turkestan” and “Uigurstan”;

In the literature at present,the author dose not see any definite and detailed account describing the intercourse between the Bohai and the Secondary Eastern Turks Khanate.