Diameter-controllable metal nm-line array preparation method

The invention discloses a preparing method of metal nanometer line and array, which comprises the following steps: adopting circulating electrolyser to deposit metal nanometer line array with different diameters in the alumina mould with different apertures; adjusting the diameter of nanometer line between 5nm and 500nm; fitting for synthesizing Zn,Co,Cu,Ni,Sn,Fe,Ag,Sb,Bi,Pb nanometer line.