Abstract: Transition metal-based electrocatalysts with abundant reserves and low cost have been widely studied as potential substitutes for efficient oxygen evolution reaction (OER) precious metal electrocatalysts, but there are still problems of poor activity and conductivity. Here, a nitrogen-doped carbon (NC) supported CoWO₄ (CoWO₄/NC) catalyst with abundant oxygen vacancy was prepared by the pyrolysis of W/Co-ZIF precursor. The feeding ratio and calcination temperature of the catalyst were explored. OER performance in alkaline medium was tested. The test results show that the catalyst prepared at a feeding ratio of 1∶1 and a calcination temperature of 550℃ exhibits a low overpotential (346 mV at current density of 10 mA·cm⁻²), a low Tafel slope (65 mV·dec⁻¹) and a high conductivity. The stability of the catalyst under alkaline conditions was tested by the timing potential method. The performance does not degrade significantly within 22 h. This work provides a new idea for the research of transition metal-based catalyst and has certain guiding significance for the design of catalyst.