提高私人汽车利用率是缓解城市交通拥挤、减少能源消耗和环境污染的一个创新途径,现代共乘系统基于智能移动互联技术和社交网络等现代通信网络技术,可有效实现私人汽车的共乘。本文介绍动态共乘概念、特征以及发展,分析我国共乘发展面临的政策问题,并提出相关建议。 Increasing the utilization rate of private cars is an innovative way to alleviate urban traffic congestion and reduce energy consumption and environmental pollution. The modern ride-by system is based on modern communication network technologies such as smart mobile Internet technology and social network, which can effectively realize the co-ride of private cars. This article introduces the concept, characteristics and development of dynamic multiplication, analyzes the policy problems that our country’s multiply development faces, and puts forward some suggestions.