Land use change is one of main reasons that could significantly affect the processes of runoff generation and concentration and sediment yield of watershed, and also is the main approach for human beings to intervene or disturb soil and water loss environment of watershed.

Based on the analysis of problems of soil and water environment in Shaanxi province,the author suggests the tactics and way to reclaim soil and water environment in order to benefit the economy and development of Shaanxi province.

The paper puts forward the comprehensive improvement measures of soil and water environment, land improvement, consolidated slope, revegetation and drainage engineering technology.

This paper discusses the main problems of water and soil environment in the middle and lower reaches of Yangtze River.

The reasons of environment problems emerged and the influence of phreatic water on water and soil environment are analysed.

The destruction of petroleum extraction to the Xingzichuan water and soil environment were forecasted as well.

Prediction of water-soil environment effect under brackish water irrigation in arid area;

Through comparison of groundwater level and the soil physic-chemistry properties in Karamay Agricultural Development Region before and after land exploitation,the water-soil environment characteristics after land exploitation are explored.