“海陆客”是指粤东海陆丰地区即今海丰、陆丰和陆河三县客家人所讲的客家方言，由于明清以后，海陆丰客家人多次渡台谋生，因而在台湾也形成了一个海陆客语言社团。本文除重点描写了海陆客的共性特点和内部差异外，还对海峡两岸海陆客的地位和语用状况作了探讨和分析。 “Sea land off” refers to the Hakka dialect spoken by the Hakka people in the land, sea and land areas in the east and west of Lufeng, Lufeng and Luhe. Since the Ming and Qing dynasties, the Hakka people of the land, Sea Luke language community. In addition to describing the common features and internal differences of land-sea passengers, this article also discusses and analyzes the status and pragmatic status of land-based passengers on both sides of the Taiwan Strait.