By the monthly economic date about Chinese automobile and other relevant date,an analysis is first conducted that whether the automobile stock of China can significantly adjust the demand of automobile market or not.Second,a regression model and a time-series model which are used to forecast the demand of automobile of China are founded.Third,the income elasticity and price elasticity about the monthly demand of automobile of China are also analyzed.Conclusions are that automobile stock of China can't significantly adjust the automobile demand,that lag-two income of consumer and automobile price significantly affect the monthly demand of automobile,and that the price elasticity of automobile demand is big than lag-two income elasticity.At last,some proposal is put forward.