To provide a cable clamp structure on a printed board wherein clamp mounting holes of the printed board can be lessened, and if the cable wiring with optical cables, etc., includes manufacturing tolerances, extra wiring can be easily disposed.

A wring clamp structure 10 for holding a cable wiring on a printed board comprises a clamp support 2 mounted on the printed board and one or more wiring clamps 5 removably mounted on the clamp support 2, and the clamp support 2 has clamp support legs 4 for mounting the clamp support 2 on the printed board and a plurality of wiring clamp mounted holes 3 for mounting the clamps 5 on the clamp support 2, so that the clamps 5 can be mounted on the clamp support 2 according to the cable wiring route or extra part disposal.