EASTFUL provides a copper clad steel strand wire structure. The copper clad steel strand wire structure not only improves current carrying capacity, carrying capacity and fatigue strength, but also has good flexibility. Price of the copper clad steel strand wire structure is lower than price of a drawn copper strand wire or a copper alloy strand wire, and therefore the copper clad steel strand wire structure saves cost. The copper clad steel strand wire structure comprises a center wire and an outer strand wire structure, wherein the outer strand wire structure at least comprises one layer, the center wire is a copper clad steel single wire, and specially is a center copper clad steel single wire, each wire in the outer strand wire structure is another copper clad steel single wire, and specially is an outer layer copper clad steel single wire, inner cores of the center copper clad steel single wire and the outer layer copper clad steel single wire are steel wires, and copper layers wrap outer layers of the center copper clad steel single wire and the outer layer copper clad steel single wire.