Combining with the characteristics of gas outburst area of transverse tube in Tianping tunnel of Chongqing-Guiyang Railway,the paper introduces the organization,technical and management measures in the construction of gas outburst tunnel,and addresses the ventilation,power supply,six safety systems,outburst prevention technical measures,gas monitoring and emergency rescue. The engineering practices show that all management measures are safe and reliable and could provide references for similar gas outburst ...