The necessity and feasibility of research of mining technology for difficult-to-mine complex orebody is expounded by discussions on the existing problems in productions in Luzhong Metallurgy & mining group Co.

Beginning with analyzing the development trends of mining technology in China and other countries and the problems existing nowadays in China s mine enterprises,the author combines the ele.

In addition,the progress in beneficiation technology was reviewed.

Applications of mineral processing technology in environmental engineering;

Mineral processing technology can be used to recovery iron form gas slime of blast furnace.

Advance in mining technique of underground metal mine and orientation of its study;

The status quo and prospects of mining techniques in Xincheng Gold Mine;

Since more than 20 years of carrying out reform and open door policy in China,it has made incessant progress in underground mining technique of rock gold (especially in back fill method) and uninterrupted improvement in various economic indexes.