Objective: Through the description of the current status of the health human resources mobility in health hospitals of Shaanxi Province and the analysis of the characteristics of floating personnel,it deeply explored the influencing factors of brain drain,and provides policy basis for the construction of health workforce team in township health care center.Methods: The data were collected from 285083 cases of health workforce reported in township health care centers in Shaanxi province from 2014 to 2020.General statistical method was used to describe the current situation and characteristics of human resources mobility in health centers,and Logistic regression was used to analyze the influencing factors of brain drain.Results: From 2014 to 2020,the scale of health workforce in township health care center in Shaanxi province kept expanding,and both influx rates and outflow rates increased year by year.The influx was mainly caused by college graduates and the proportion of bachelor's degree and above has increased,but the proportion of middle-level and above professional titles and the establishment have decreased.The outflow is mainly caused by going to other health institutions,and the proportion of bachelor's degree and above has increased.However,the proportion of staff in the establishment decreased,and the proportion of intermediate and above professional titles have decreased.The analysis of influencing factors of human outflow shows that male36,45 years old,higher education,doctor,intermediate professional title,outside the organization,and working in central health centers have higher possibility of human outflow.Conclusion: There was a net inflow of township health centers health workforce in Shaanxi province from 2014 to 2020,but the serious problem of the loss of highly educated and high-level health technicians remained unchanged.According to the actual situation of township health care centers,the government should introduce appropriate mechanism of recruitment and employment,establish an incentive income distribution system,fully mobilize the enthusiasm of township health centers,strengthen policy support,and ensure the stability of personnel.