Central Jilin urban agglomeration is regarded as an important territory where we can solve the bubble problem of urbanization level and transfer surplus rural labor force.

In review of the past major changes on livable construction and forecasting the new possible livable challenge that will appear in the Big Pearl River Delta in future,the author proposed the measures on constructing the livable Urban Agglomeration in the Big Pearl River Delta in aspects of housing, ecology,leisure,transportation,linking in policy.

Analysis on affecting factors of sustainable development of Yantai urban complex;

Study on emergence and development of Yantai urban complex;

The author analyzes the development opportunity and ecotope problem of urban complex which is in the area of the middle coast line of China in Fujian urban system setting，then points out the construction of ecology afforestation is the important way to realize the sustainable development of urban complex，and last comes up with some countermeasures of developing ecology afforestation

The upsurge of the town cluster planning in China is faced with dilemmas including the confusion of the town cluster concept, the implementation system of the town cluster planning and its legal status, disputes about the town cluster development pattern, and the ecological crisis.

The research on the urban group in Gansu Corridor based on the fractal theory;

Research on Evolution of Urban Group Space;

Small City-and-town Cluster(SCC) is the network phrase in the development of city-and-town construction, and is also a symbol of senior urbanization.