What's the difference between Rongxian dialect and Cantonese?

The expression "Cantonese" is spoken by Hong Kong people. The official academic name is Cantonese, but people generally call it "vernacular". Cantonese uses Guangfu Cantonese as the standard accent of Cantonese.

Cantonese is divided into several sections: Guangfu film/Siyi film/Levin film/Wuhua film/Goulou film/Yongxun film/Qin Lian film, among which Siyi film/Goulou film is far from Guangfu film, and Rongxian dialect belongs to Cantonese Goulou film.