Career planning is to meet the demand for talent, the means of retaining talent. It can maximize the mobilization of employees' motivation and give full play to their talents and potential. "We provide young talents with overall services of career planning from education to career choice. Based on the "character source code" psychological assessment technology, we find the individual qualities and potential advantages of talents, and at the same time, combined with big data algorithms, we perform data actuarial calculations of job competencies, accurately matching individual competencies with job requirements, solving the problems of career orientation and development for young talents, and at the same time, improving the efficiency of enterprises in the selection of talents. Efficiency