Green exploration is a powerful practice of strengthening ecological civilization construction in geological exploration. As an important exploration method， drilling should take lead in green exploration. This paper introduces the application of green exploration in the whole drilling works in the case of Guizhou Zheng''an bauxite fine exploration project， compares and analyzes the field results of the main types of drilling rig in the market in green exploration， and probes into the problems with the current exploration drilling works.