The implementation of green exploration in Henan Province is still not ideal. Demonstration of green exploration engineering is urgent need to standardize the whole process of exploration work. Research and practice of green exploration technology is in a gold mine area of Henan Province is made， by which design technology of “replacing trenching with drilling， multi-holes at one position and multi-branches in one hole” are explored. Selection and relocation of drilling machine， field construction， configuration and management of drilling fluid and field recovery are all researched， and a set of green exploration workflow for Henan Southwestern is summarized. In which green exploration concepts in design is adopt to reduce the damage to vegetation caused by exploration work， detachable modular drilling rigs， portable supporting facilities and relocation equipment are try to use during construction and migration， lightweight， movable， and reusable facilities are adopted if possible， finally， the garbage and slurry generated during construction are transported to units with processing capacity for centralized treatment. As a result， the impact is to the maximum extent reduced on the land， vegetation and environment. This project has achieved a good demonstration effect. At the same time， the successful experience of green exploration is gradually promoted into future projects construction.