In this study, we have a research of the turnover intention and countermeasure of key employees in xuzhou coal mining groups. Linear Structural Equation model (LISREL) is used for the variable path analysis and a job satisfaction research has been done to reveale which variable is affect the key employee turnover entention significantly. Statistics show that the factors conversion cost, job satisfaction, compensation, opportunity, dull work, the colleague support degree, friends support degree have a significant influence on turnover intention of key employees. The staffs are dissatisfied with salary, welfare, promotion, communication in enterprise. The employee, who work in administer department, with high education background and no more than 5 year's work experience and lower in administer level, no more than 2000 yuan income, have a stronger turnover intention. According to the results of the survey, the enterprise make a relevant management measures and achieved good effectiveness on prevent the key employees from turnovering.