Based on the view of energy security, the essay builds an evolutionary game model between company and government and to find out the strategies chosen by the two subjects. The result shows that company and government’s activities are effected by the elements below: profit of oil import and coal-to-liquid production、cost of policy making and applying、subsidize revenue of coal-to-liquid production、tariff and environmental revenue from coal-to-liquid production. The results could offer theoretical basis for both company and government in future choosing.