规定的界限数值和测量值的有效数字及其运算时数据处理，在药典标准中一直有争议。中国药典1995年版虽作出了有关规定和说明，但笔者以为仍有值得进一步明确和讨论的必要。为此，本文从试验测量值计算处理的角度，就有关规定分析讨论如下，供同道参考。1界限值（规定值）的有效 The prescribed limit values ​​and valid figures for measurements and their operational data processing have been controversial in the Pharmacopeial Code. Although the Chinese Pharmacopoeia 1995 Edition made the relevant provisions and instructions, I think there is still a need for further clarification and discussion. To this end, this article from the experimental measurement of the calculation and processing point of view, the relevant provisions of the following discussion for fellow reference. 1 The limit value (specified value) is valid