This paper focuses on a detailed analysis of the soft soil treatment technology of a road,first introduces the general situation of the project,and then compares and analyzes the treatment technology and project cost of different soft soil foundations.The cement deep mixing pile method,the high-pressure jet grouting pile method and the CFG pile method were discussed respectively,and their differences in cost were analyzed.Through comprehensive comparative analysis,this article aims to provide insights into solving specific problems.Combined with the viewpoints and analysis of the discussion,the conclusions are drawn to provide a strong reference for the selection of road soft soil foundation treatment technology.