This paper makes the textual research on how Southern Yan Dynasty with Guanggu town of Qingzhou as its capital waxed and waxed and waned during the Sixteen States Period and sum up the experiences calling for deep thought in being quick to rise and decline.

Determination of airborne microbial cancentration around key traffic route in Guangzhou urban districts;

The Type and Evolution of Chinese Ancient City Plaza;

Humanized design of space for children in city plaza;

The qualitative problems should attention in the design of city square;

On the development of city square in Ming district of neoteric Xi an;

On humanism design of urban square;

Practicability· Aesthetic· Ecology· Precautions against natural calamities ——The four principles of designing urban square;