It is Not the Same Tushan Where Yu Married and Yu Called a Meeting of All the Chieftains;

The Textual Research to East Tribe of Ancient Emperors Yao，Shun and Yu;

King Yu s Ganqi Dancing——the Sign of Wudang Martial Arts Birth;

The History and Status Quo Analysis of the Genuine Medicinal Substances Plant in Yuzhou;

The Discovery of Ancient Porcelain Kiln Sites of the Tang Dynasty in Yuzhou and Study on Them;

Yuzhou is a small city in Henan province.

Comparison of Agrologic Knowledge in Diyuan and Yugong;

The unstable factors in the sandy land agricultural development in Yucheng and countermeasures.;

Discovery and significance of nappe structure in Yucheng area.