中文摘要：

《郭店楚墓竹简》作为一批封闭性的文字材料,真实地反映了东周时期楚国简册的用字情况.笔者对郭店楚简的用字情况和传世文献进行对比,全面梳理了各种复杂的字际关系.本文专对其中一形数用字的各个职能之间的关系及用字特点进行了全面梳理.具体分为：1.本用＋借用;2.借用＋借用;3.本用＋本用.

英文摘要：

Guodian Bamboo Slips from Chu Tomb,as a group of closed writing material,truly reflects the usage of Chinese characters in Chu in Eastern Zhou period. We have compared the usage of Chinese characters in Chu with that in the literature handed down from ancient times, and comprehensively combed complex relationships among the various kinds of forms. This article specifically makes clear the relationship among the various functions of a form and the characteristics of usage of the forms, which can be divided into three types： 1. the usage of the original and usage of homophone; 2. the usage of homophone and another usage of homophone; 3. the usage of the original and another usage of the original.