Based on the construction environment and the conditions, according to the characteristics of red layer of central Yunnan, different drilling equipments and well completion technologies were adopted in the southwest drought resistance at the beginning of 2010. Favorable technically economic effect and important social benefit were gained by fast and effective well completion, drinking water crisis was solved for local people and domestic animals. This article describes the technology methods and construction experience of improving well quality and drilling speed in the red layer of central Yunnan, such experience can be used as reference to the future drilling projects with the similar conditions.