The situation of soil and water loss and its natural and human causes of formation in Hongta district of Yuxi city are analyzed.

The industrial structure of Yuxi Center City was developed due to the advantage of the position, the resource and the plan economic system, but with the weakening of the resource and the development of the market economy, it becomes one of the factors of influencing the regional economy development.

The spatial attribute data of main urban zone of Yuxi city was picked from Quick Bird satellite map,to investigate different types of greenbelt and species application.

Research on Sensitivity Asessment of Soil Erosion based on 3S in Yuxi;

Characteristic and Formation Condition Analysis of Mountain Torrents Geological Hazard of Yuxi Yunnan Province;

To protect Fuxianhe lake becomes the key issue to remain sustainable development of society and economy of Yuxi.

Environmental Issues in Building Small Towns in Yuxi City;

The survey and identification of Lilium spp.diseases in Yuxi City;

Land Use Layout and its Optimization of Urban Area of Yuxi City;