The invention discloses a road state analysis method based on the automobile electronic identification technology. The method comprises a data collection step, a road section average travel speed calculation step, a road congestion state determination step, a road section average travel time calculation step, a road traffic volume calculation step, a road traffic density calculation step, a road load degree calculation step and a vehicle average delay time calculation step. The method is advantaged in that the method is more economical, more effective, with higher coverage and realizes more comprehensive information collection, more effective support is provided for refined planning and management of urban transportation, through mining calculation and analysis, road state analysis and prediction, traffic service capability evaluation and transportation industry management assistance decision making functions are achieved, advantages of low cost and easy operation are further achieved,and the method is sustainable, dynamic, quantifiable and reproducible.