客家方言是客家民系的最重要的标志。通过客家方言词汇，一方面有助于追寻客家民系与中原汉民族及南方古百越族纵向的源流关系，另一方面也有助于体察客家民系与包括赣语民系、福佬民系和广府民系在内的南方诸民系的横向联系 Hakka dialect is the most important symbol of Hakka family. Through the Hakka dialect vocabulary, on the one hand, it helps to trace the vertical and horizontal relations between the Hakka family and the Central Plains Han nationality and the ancient Baiyue ethnic group in the south. On the other hand, it also helps to understand the relationship between the Hakka family system and the Hakka dialect, And Cantonese civil relations, including the Southern People’s Department of the horizontal relations