Abstract: Currently, Fuling shale gas field is in the early stages of development with a large number of development well, and most of which are long horizontal wells. Drilling these wells would generate enormous wastewater, and reusing them for fracturing is considered as the most economical and environmental way of disposing. In this paper, the characteristics of Fuling drilling wastewater was analyzed, as well as the technical barriers of reusing the drilling wastewater. Correspondingly, the treatment chemicals, technical process, processing equipment, and reusing program were developed. According to the effects of the treatment and further reuse, selected chemicals could satisfy the drilling wastewater treatment in the field. The technical process and processing equipment were simple and easily operated. Treated wastewater could meet the water quality requirements of reusing, show good compatibility with the fracturing fluid, is also adaptable to the complex terrain in Fuling mountainous area.