Carsharing is therefore a cost-effective motorization approach, which could be chosen by China cities.The paper articulates the possible profits resulted from the new mode implement in China cities.

• 汽车共用能够大大减少小汽车拥有量和使用程度，并促进公交的使用，带来的社会效应、环境效应和经济效益十分可观，不失为一种社会成本较低的城市机动化发展方向。