Abstract
This paper introduces the quantitative research method for the personnel configuration of the software project by studying the effects of the overall competence of the developers in the vehicle navigation software project on the factors like project quality. The study shows the overall competence of the developers is related to the aftersubmission defect density, productivity and the average delay of software Version 0.99. Further, a quantitative formula of competence and competence is drawn on the basis of statistics; meanwhile, according to the research result an integer programming configuration method for the navigation software project personnel based on competence analysis is concluded.