“形”与“型”二字因读音相同,在现代汉语的规范使用中往往容易混淆。其中字母词“X形/型”的运用更加含混不清,特别是其所属的第三类字母词。本文为“形”与“型”二字的区别以及“X形/型”的第三类字母词的规范化工作提供了一些有效的方法。 The characters “” and “type ” are the same as pronunciation, which is often confused in the normal use of modern Chinese. The use of the letter “X / Type” is more ambiguous, especially the third type of letter to which it belongs. This article provides some effective ways to normalize the differences between the characters “” and “type ” and the third type of letter “X / Type ”.