Metallographic and technological studies on iron and steel artifacts of Gaogouli from Wandu Mountain city;

The Effect of Archaeological Typology in Research on Style and Skill of Gaogouli s Murals of Ancient Graves;

Music of Gaogouli and Its Value;

Time Factor in the Forming of Koguryo Mural Arts;

The Relationship between the North Wei Dynasty and Koguryo Seen from Imperial Decree Sent out to the King of Koguryo by Emperor Xiaowen in the North Wei Dynasty;

New,in some present history teaching materials of colleges and universityes of high learning,some writers regarded the relations of the center government befor Tang-dynasty with the local national power--Gao Gou Li as the relationship of China and foreign countries.

For example, Gao Gou li people had a firm worship and a deep belief of "Natural Religion".

With the reversal deduction and by the differentiation and analysis to the related historical materials of Koguryo Records of Wanymang Dynasty,the author demonstrates such viewpoints that Koguryo Hou tao is the Hou of Koguryo county,Xuantu Prefecture, and it has nothing to do with the Koguryo kingdom outside the northern frontier; investigates the relationship between this gou.

History of Three Kingdoms is the history book of the North Korean,in which the records about the lineages and Jinian(积 年) of the kings of Gaogouli had some questions.