 To evaluate whether the cilostazol reduce neointimal hyperplasia after ZES Zotarolimus-eluting stents implantation, the investigators performed double-blind,randomized, multicenter, prospective study compared triple antiplatelet therapy aspirin plus clopidogrel plus cilostazol and dual antiplatelet therapy aspirin plus clopidogrel for 8 months in patients with long coronary lesion treated with ZES. 