People in Hefei can't speak Cantonese. The most striking feature of Hefei dialect is that it turns from north to south, and its timbre and pronunciation are biased towards the north, which is relatively rigid. But the pronunciation is biased towards the south, and the sound changes greatly. Hefei dialect has many consonants, three syllables are reduced to two syllables, and two syllables are reduced to one syllable, which means to express it in concise language to the maximum extent.