The fundamentals and the main method of the comprehensive evaluation technique of milling grade and the software design for implementing this technique and the software realization method are presented . demonstration analysis is made on the basic procedure of determining the rational milling grade by this software 介绍了合理入选品位综合评价技术的基本原理、主要方法，以及实现该项技术的软件设计和软件实现方法，并对应用该软件确定合理入选品位的基本过程进行了示例化分析。
