According to developed situation,trend and existed problem of automobile rent industry at home and abroad,combined with practice in Shanxi,the paper proposed method and thought of strengthening management and coordinated development.

Through an analysis on the general theory of the compensation liability subject and the criterion of liability for traffic accidents caused by motor vehicles,the paper clarifies the specific circumstances that the leasing companies or the lessees undertake compensation liability when the leased vehicles cause traffic accidents,which is of significance for judicial practice.