This article discusses the grouping of Lanyin Mandarin. It consists of three parts: 1) the commonality of Lanyin Mandarin; 2) the internal differences; and 3) some suggestions for revision.

• 本文讨论兰银官话的分区,内容分为三个部分:壹,兰银官话的共同特点;贰,兰银官话的内部差异;叁,主要的修订。