Seeking cost-effective and highly active non-precious hydrogen evolution reaction (HER) electrocatalysts is still strongly desired in water splitting. In this work, a low-cost and highly efficient HER electrocatalysts of amorphous Ni-S-B coating on nickel mesh is successfully synthesized by means of a simple current-density electro-deposition. The obtained Ni-S-B coating shows superior HER electrocatalytic activity as evidenced by low onset overpotential of 27 mV and 240 mV to drive 10 mA.cm(-2) under alkaline conditions. Such high hydrogen evolution activity for Ni-S-B coating can be mainly attributed to the larger surface area (more exposed active sites), faster electron transport between electrode-catalyst-electrolyte interfaces, and nickel mesh substrate. Therefore, Ni-S-B coating can be applied as an efficient HER electrocatalyst to use in alkaline water electrolyzers.