Abstract: Based on the big data management system,this paper analyzes the change trend of personnel structure of a special hospital in Tianjin from 2015 to 2021,and puts forward corresponding policy suggestions. Using the methods of descriptive statistics and comparative analysis,the total number of personnel,personnel category,professional distribution,educational background and professional title composition of the human resources database of the hospital are statistically analyzed. From 2015 to 2021,the total number of formal staff in the hospital showed a positive growth trend,while the total number of dispatched staff continued to decrease,with an average annual growth rate of -0.11;The proportion of hospital health technicians continued to rise,reaching 81.53% by the end of 2021;The number of hospital postgraduates grew fastest,with an average annual growth rate of 8.36%;There was no significant change in the number of senior professional titles, and the number of deputy senior professional titles increased from 86 in 2015 to 109 in 2021,with an average annual growth rate of 4.06%. Accordingly,it is recommended to promote the practice of hospital informatization construction and improve the personnel intelligent management system;to strengthen the construction of talent team to promote the sustainable development of the hospital;to increase the number of nurses and optimize the structure of their professional titles;and to attach importance to the training of health management personnel.

Key words: big data, special hospital, personnel structure