本文探討甲骨卜辭中的「同文例」的現象，並且由「同文例」的研究得知的殷商占卜習慣。另外，從「同文例」關係的甲骨片的比較研究中可知透過「同文例」可補殘辭，並且在甲骨文字方面可糾正誤刻、缺筆、誤認與一字異形等的現象。在文例方面，「同文例」可糾正文例誤讀與得知卜辭省略的內容等，也有助於甲骨綴合。 / This paper discusses the phenomenon of the same lines of characters in oracle bone inscriptions and on the basis of this investigation, the study also provides an understanding of the practice of divination in the time of Yin-Shang. Moreover, the comparison of the same lines of characters in oracle bone inscriptions not only helps make up cruel lines of characters in general but also serves the functions of correcting wrong words, identifying missing carving and mistaken characters, and understanding the different manifestations of one character. Finally, in the lines of characters in oracle bone inscriptions, this study helps correct mistaken readings, understand the omission of content in divination, and join the oracle bones together.