After the explosive growth during 2009 and 2010, China's automobile market downturn highly in 2011, with the growth rate dropped sharply; and rational adjustment gradually in the first three quarters of 2012. The proportion of passenger cars increased year by year, and SUV grew highly. Best-selling brand in passenger car market changed significantly. The share of independent brand cars dropped and that of Japanese cars fall simultaneously. Automobile import and export situation began to get better, export value and quantity hit a record high. China's automobile industry concentration further improved, but still had a large gap compared with the international level. Automobile industrial output and sales value kept steady growth. Car ownership go steadily up, and local policies, such as license-plate lottery in Beijing and license auction in Shanghai, affect automobile market widely. This paper mainly descript China's automobile industry and automobile economic development during 2011 and the first three quarters of 2012 through plenty of data, and analyzed its main features deeply. <<