China has a vast territory，and the economic level varies greatly from place to place. Especially with the continuous deepening of commercial auto insurance reform，the development and risk status of commercial auto insurance in different regions have different regional characteristics.In 2017，the premium of motor vehicle insurance reached RMB793.1 billionyuan，year-on-year growth of 12.3%.The coverage rate of commercial auto insurance is 81.8%，and the average premium is RMB3553 yuan.By analyzing the key indicators of commercial auto insurance underwriting and claims in details，it can clearly reflect the development and regional characteristics of each place，objectively evaluate the effectiveness of commercial auto insurance reform，timely discover potential problems of regional development，and make development recommendations.