paper reviewed the automobile detection significance as well as the domestic and foreign auto detect technology development present situation, development trend of detector headlamp, this paper studies the purpose and the characteristics of headlamp test items and headlamps, headlamps detection of national standards, headlamps luminous intensity, the detection principle axis skewed quantity; About spotlighting type headlamps detector, screen type headlamps detector, projection type headlamps detector, automatic tracking axis type headlamps detector structure and working the main composition subcompact headlamps detector and the function of each part, headlamps line operation flow and SQL Server database the headlamps on miniature automobile lamps lines, testing experiment by using statistical analysis of knowledge experimental data, the error caused by linear regression, three times get a, dogleg method comparison and analysis of WeiChe inspection car headlamp is testing the existence question and proposed solutions 最后.This paper for miniature car headlamp detection system research, analysis and detection of experimental data, puts forward the solutions to reduce examination error, to improve the accuracy of miniature vehicle inspection has certain directive significance. " 希望你能采纳