This study aims to develop an efficient, stable, highly humidity-resistant, and selective ethanol sensing material. In this study, ZIF-67-derived ZnO/Co3O4 bimetallic oxide composite materials were synthesized via a co-precipitation method followed by a one-pot hydrothermal reaction. Different mass ratios (10 %, 30 %, 50 %) of ZIF-67-Derived ZnO/Co3O4 composite materials were obtained by varying the mass of Co3O4. The ethanol sensing performance of these composite materials were investigated. Results demonstrated that the ZnO/Co3O4-ZIF30 % sensor exhibited a response value of 42.3 for 50 ppm ethanol at 240 °C, with response and recovery times of 50 s and 200 s, respectively. Furthermore, the ZnO/Co3O4-ZIF30 % sensor showed almost no change in response value as humidity increased from 30 % RH to 80 % RH, indicating remarkably high humidity resistance. Additionally, ZnO/Co3O4-ZIF30 % exhibited high selectivity for ethanol. Consequently, the ZnO/Co3O4-ZIF30 % material demonstrated superior ethanol sensing performance. Finally, the multiple gas sensing mechanisms of ZIF-67-derived ZnO/Co3O4 composites were carefully investigated. In conclusion, the ZnO/Co3O4-ZIF30 % material demonstrated outstanding ethanol sensing performance, indicating its significant potential for practical applications.