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With the talent competition, the core problem of employee turnover is increasingly serious, for the development of enterprises brought infinite risk. In order to reduce the loss of key employees, reduce the risk of loss to enterprise, based on the risk management of the key employees Angle were studied. Through the Beijing golden yuxing electronic technology Co., LTD and Beijing 51job nets etc are typical case analysis and enterprises of different enterprise employees sampling questionnaire survey and analysis of various enterprises for core employee turnover, and the factors affect the diversity in the core factors of staffs loss before, during and after the loss of loss of three stages, the impact was found in the enterprise existing core staffs loss risk, and each link in the core enterprise staffs loss risk management, and puts forward some problems existing in all phases of the core staffs loss of job analysis, and staff recruitment, information management aspects of risk early