The invention discloses a calibration tooling for an automatic calibration system for a formation and capacity grading testing power supply. The calibration tooling comprises an upper top plate, a lower bottom plate and a side plate frame; a plurality of probes are arranged on the upper top plate and the lower bottom plate; probe points are arranged on the tops of the probes; the probes on the upper top plate and the lower bottom plate are in one-to-one correspondence; the probes are fixed by bolt and nut sets; and bolts are of a hollow structure and used for wrapping the probes. The probes ofthe calibration tooling of the invention are simple in structure and reasonable in design, are compatible with various specifications of test power supplies, and can be combined with the automatic calibration system to sample the current and voltage of the test power supply.