The changes historical role of Suyu dialects mainly show as the disappearance of old dialectal words, the transportation of dialectal words into common words, the appearance of new words and so on.

• 宿豫方言词语历史地位的变化主要表现在：旧方言词汇的消失；方言词转为通用词；新方言词汇的产生。等等。