There are two types of passive positioning:single-station passive positioning and multi-station passive positioning.Based on the analysis of several methods of passive positioning, a new method combining binocular vision and motion vision is proposed, which belongs to the singleˉstation passive positioning.Relevant equipment is designed and the distance calculation algorithm is realized in engineering.It is proved that this equipment can realize the real-time passive positioning of multiple flying targets in air.The accuracy of this method is approximately ±10% of the target distance.