Abstract: This paper explores the model of student career portrait construction and precise employment practice, focusing on the problem of information exchange between student employment and enterprise employment, integrating big data analysis technology, realizing process data collection, including course, evaluation, activity, competition and career consultation data into student development files, automatically generating student career portraits, to help realize the“one student, one strategy”of digitalization, and to be able to integrate and match the elements of students’career portraits with the recruitment information of enterprises, which is conducive to more abundant, comprehensive and efficient transmission of employment information, based on the background of the construction of career portrait and the practice of precise employment. This paper makes an all-round analysis of the present situation, value and key breakthrough points of the research on the career portrait of students in higher vocational colleges, to explore the construction of students’career portrait and the contents of precise employment practice, to support the effect of students'career education with data, to achieve the mutual promotion of career education and employment guidance, and to improve the employment guidance department of college graduates for the quality of service.

Key words: Career portrait, “One student, one strategy”, Precision, Employment guidance, Digitalization, Service promotion