Starting from the definition and function of engineering policy system, this paper analyzes the problems existing in Chinese engineering policy system, and in the light of these problems, advances some corresponding countermeasures.

The policy systems of geological information services in main developed countries and its characteristics;

Research on the policy system of technology innovation in Heilongjiang province;

Study on the three-dimensional analytical framework towards the innovation policy system of SMEs;

Last,from policy objectives,policy instruments and policy functions,it discuss the ways how to build the fiscal and taxation policy system of China\'s non-renewable energy for sustainable development.

Analysed and approached general regularity of engineering system match and designed standards in small watershed comprehension control on the basis of geomorphological characteristics and existing of soil and water loss, Above mentioned questions are obtained by test and study data, from comprehension cantrol of Nihegou watershed, Chun Hua county, maximum.