本文综述了国际上通常用于规范中的混凝土受压应力—应变曲线图形，对其用于承载能力极限状态下的正截面受压区混凝土的等效应力图形特征值作了分析；在按混凝土立方体或圆柱体抗压强度特征值划分等级的基础上，讨论了包括高强混凝土在内的受压混凝土的特性指标，对混凝土抗压强度设计值的选取作了分析和比较，提出了供修订规范作参考的建议。 This paper summarizes the stress-strain curve of concrete in the international standard, which is commonly used in the specification, and analyzes the characteristic values ​​of the equivalent stress pattern of the concrete in the normal section compressive zone under the limit state of the bearing capacity. Based on the classification of the compressive strength characteristic values ​​of cubes or cylinders, the characteristic indexes of the compression concrete including high-strength concrete are discussed. The selection of the compressive strength design values ​​of the concrete is analyzed and compared, and the revised specifications are proposed. Suggestions for reference.