国库库底资金管理已经成为政府和理论界关注的问题。文章针对在国库现金运作过程中,保证国库资金安全而必须确定的国库库底资金安全留存额做出了分析研究,同时引用Miller—Orr模型,通过实际调研数据得出了较为准确的我国国库库底资金安全留存额及其上下限范围,对于进一步发展和完善我国国库现金管理提供了一定参考。 Treasury fund management has become the government and theorists concerned about the issue. In this paper, we analyze and analyze the safe deposit of funds that must be determined during the operation of the treasury cash to ensure the safety of the treasury funds. At the same time, we refer to the Miller-Orr model and get the more accurate treasury database At the end of fund security deposit and its range of upper and lower limits for the further development and improvement of China’s treasury cash management provides a reference.