New employees are at the beginning of the career path and the bottom of the business layer. They not only need to master basic job skills, but also need to know the corporate culture, corporate value, system regulations, development strategy, organization and other information of their enterprises. From the perspective of career management and competency model, combined with the characteristics of new employees and integrated with modern scientific management theory, this paper optimizes, and constructs employee career management system and new employee training system based on competency model. This paper introduces competency model, and combines competency model with employee career management system, and puts forward a five-dimensional framework for evaluating the training needs of new employees, which has achieved certain results in practice and improved the training effect of new employees in enterprises.