The invention discloses a nano-material-modified natural rubber cable material which is prepared from natural rubber, liquid isoprene rubber, modified superfine lana powder, superfine acrylate rubber powder, stearic acid, zinc oxide, nano calcium carbonate, carbon black, nano alloy, sulfur, 1,4-bis-tert-butyl-peroxycumene, diallyl phthalate, castor oil, bis octadecanol ester, bis(P,P-bis-ethylhexyl diphosphato)ethanediolato titanate, an anti-aging agent and an accelerator. The nano-material-modified natural rubber cable material has the advantages of excellent mechanical properties and favorable aging resistance; and the cable prepared from the material has the advantages of favorable comprehensive properties and long service life.