The utility model provides a steel anchor case, it includes a plurality of steel anchor festival section, a plurality of steel anchor festival section connects gradually from bottom to top and forms a steel anchor case, steel anchor festival section is including front side panel, rear side panel, left end portion bearing plate, right -hand member portion bearing plate, oblique sleeve and anchor slab, left end portion bearing plate and right -hand member portion bearing plate interval set up, and both ends are passed through around the left and right tip bearing plate front side panel and rear side panel are connected. The utility model provides a pair of steel anchor case, steel anchor case is bulky, the tonnage is big, and the simultaneous altitude is high to structural strength is big, the tensile can the reinforce, through the modularized design, each module forms holistic steel anchor case in the off -site back that completes in scene concatenation, and the construction is very convenient with the installation from this, and the efficiency of construction is higher.