Abstract: To solve the supporting technical problem of soft rock roadway under high geo-stress in deep mine, this paper selects rail cross-cut of +280m level West Wing in a Coal Mine of Jilin Province. And the surrounding rock lithology, surrounding rock strength and in-situ stress parameters are tested and analyzed, based on geological mechanics parameter test of roadway surrounding rock. In view of the test and analysis results, the control principle of deep high ground stress soft rock roadway is put forward. The reasonable supporting parameters are determined and applied to field practice. After applying in field test , the result showed that the support technology can effectively control the surrounding rock deformation of soft rock roadway under high geo-stress in deep mine.