As a dialect, Nanjing dialect is not only the daily communication language of Nanjing people, but also contains the history, culture and habits of Nanjing. Learning Nanjing dialect can not only help teenagers to better integrate into the city of Nanjing, but also broaden their social circle and enhance their social skills. In addition, Nanjing dialect, as a dialect, also helps to cultivate teenagers' language sense and oral expression ability. Many unique words and expressions in Nanjing dialect can also help teenagers better understand the culture and characteristics of Nanjing. Learning Nanjing dialect can help teenagers understand and love the city more deeply, and also help them better integrate into local life and culture.