In this paper,analyzing the causes of the failure of constant forbidden illegal mining in the fields of legal system propagation,society,economy,management,legal system and so on,the author puts forward some corresponding countermeasures for combing-out illegal mining.

This paper analyzes the reasons that the illegal mining action of the substitution of mining for exploration exist, and proposes the universal phenomenon to be considered.

The paper firstly discusses the problems faced by assessment of the value of mineral resources damaged by illegal mining, then puts forward a assessment method of the value of mineral resources damaged by illegal mining.

Discussion on the 343 Article of Criminal Law of China——Suggestion for revising the legislation of illegal mining crime and damaging mining crime;

Due to the lack of practice and the limitation of the leg-islator,the first item of Article 346 on the rules of illegal mining has shown its deficiency in judicial practice,which made it hard to convict and approach a great number of illegal mining and stealing minerals and harmful to the foundation of the crime regula-tion system and the protection of the decreasing mineral resources.

Application of flat bottom shallow-hole shrinkage stoping method in Shanggong gold mine;

The application of shrinkage stoping method in China;

Applying principles of mining technical economics to the calculation and analysis of time value of ure remaining and funds overstockin in the employment of shrinkage stoping method;

The application of shrinkage method in the stoping of extra narrow vein of rock gold mine;

According to geology conditions of Ⅳ-1 ore body in Suichang gold mine, scraper shrinkage method is applied in the test which the method use flat-bottom trench structure and scraper to draw ore.