In the field and underground survey,the quality o f the observed result is often checked up according to the calculation of the re corder and the finaly observed result are also extracted by them.

The thesis introduce the configuration of computer management system for Underground Survey, the method of data management and Mining engineering drawing using CAD technology, of Fankou mine in detail.

The paper analyses existing problems of underground measurement in coal mines, and puts forward the solution method of the problems.

The application prospect of near-bit downhole testing system in bit design analysis;