The utility model discloses a rod-type fixing support for an optical cable joint box, and belongs to the field of fixing frame installation. The rod-type fixing support for the optical cable joint box comprises a fixed platform and supporting rods. The supporting rods support the fixed platform. The rod-type fixing support for the optical cable joint box further comprises a first connecting block, a second connecting block, a third connecting block and a fourth connecting block. Four fixed sliding blocks of the first connecting block and the second connecting block are arranged face to face to fixedly clamp an electric rod. Four fixed sliding blocks of the third connecting block and the fourth connecting block are arranged face to face to fixedly clamp the electric rod. All bolt holes, for fixing the fixed sliding blocks, of the first connecting block, the second connecting block, the third connecting block and the fourth connecting block are long sliding holes, so that the positions of the fixed sliding blocks can be adjusted. The rod-type fixing support can be fixed to the electric rods with different rod diameters.