Abstract: The “diploma+vocational skill grade certificate system” is an important reform in the talent training mode of higher vocational colleges in China. Through the research and analysis of the characteristics of automobile “1+X” certificate setting and the problems of low social recognition, nonstandard supervision, imperfect system, and insufficient curriculum integration in the pilot project, this paper puts forward targeted suggestions or countermeasures to promote the effective development of the “1+X” certificate system, and promote the improvement of the training quality of automobile professionals in higher vocational education.