At the present, the work of deep minerals exploration in the second space is playing an important role in Geoexploration. In the exploration process, we must not only focus on applying the new theories and technologies of physic, chemistry and remote sensing in our field, but should also pay more attention to drilling technology to confirm the correctness of deduction and detection. Higher requirements on the key drilling technology and the equipment have been put forward with the prospecting depth increasing. From now on, the deep exploration is the primary work of the Geoexploration in China; based on the situation of prospecting equipment and construction technology, this paper discussed some attentions in equipment selection and the supporting construction technology.