ObjectiveThrough the electromagnetic compatibility design of the on-board oxygen producing device for special vehicles,the electromagnetic compatibility of the on-board oxygen producting device meets the relevant requirement in GJB151B-2013“Electromagnetic emission and sensitivity requirement and Measurement of Military Equipment and subsystems”.MethodsBased on the analysis of the design requirements of electromagnetic compatibility of special vehicle on-board equipment and on-board oxygen generator,the electromagnetic compatibility design of the on-board oxygen generator is carried out from the interference path.ResultsThe vehicle oxygen production device passed the power transmission line test CE102and the electric field radiation emission test RE102.ConclusionThe electromagnetic compatibility design method adopted in this paper is effective,and the vehicle oxygen production device can meet the relevant standars.For other vehicle-mounted equipment,the electromagnetic compatibility design ideas and design methods of vehicle-mounted oxygen production devices can be used for reference.