Chengdu dialect is one of the most representative accents of Southwest Mandarin, which belongs to Southwest Mandarin. It is mainly distributed in the central city of Chengdu and the eastern part of Chengdu such as Qingbaijiang and the northwest of Jintang County.
Today's Chengdu dialect is not the ancient Shu dialect, but the Huguang dialect formed after immigration. And influenced by the southern dialect. In terms of word formation, compared with Mandarin, the significant difference of word formation in Chengdu dialect is that nouns and verbs overlap, that is, nouns can overlap, but verbs generally cannot. Syntactically, the difference between Chengdu dialect and Putonghua lies in the composition of complement.