The phonetic features of Taishan dialect are mainly the use of light tone, nasal sound and tongue tip sound, which are rarely used in Hakka dialect. For example, the phenomenon of light tone is more common in Taishan dialect, but less common in Hakka dialect. This phonetic difference leads to the pronunciation difference between the two dialects.

Lexical differences Taishan dialect and Hakka dialect also have obvious differences in vocabulary. Due to the differences in geographical environment, history and culture, there are differences in the choice and use of words between the two dialects. This lexical difference makes it difficult for the two dialects to understand each other in communication.