Based on the engineering background of new inclined roadway through mined-out area in the Pingdingshan Sixth Mine,the numerical analysis and field monitoring are used to study the overburden rock fracture characteristics and its mine pressure in mined-out area. Aiming at the characteristics of broken surrounding rock in mined-out area when the inclined roadway passed through this area,the supporting plan of metal net + whole section U-shape steel + bottom-arch linkage girder+ concreting + backfill grouting is put forward. The internal and external bearing structure formed by"Double-shell support"can largely improve the integrity of broken rock mass in mined-out area.Field monitoring shows that in the mined-out area passed through by inclined roadway convergence of ribs is 26 mm,and convergence between roof and floor is 47 mm,and the goal of effectively controlling roadway surrounding rock deformation is achieved.