Wenzhou dialect, also known as the Min Dongnan dialect, is a unique dialect system in the Wenzhou region of Zhejiang Province, China. As one of the Chinese dialects, Wenzhou dialect differs significantly from Mandarin and possesses distinct local characteristics in terms of phonetics, vocabulary, and grammar. Wenzhou dialect is widely spoken and has a long history in the Wenzhou region. It serves as a communication tool in the daily lives of local people and is an integral part of Wenzhou's culture. The dialect features unique phonetic characteristics, such as retroflex sounds, soft palate sounds, and nasal sounds, which distinguish it from Mandarin. In terms of vocabulary, Wenzhou dialect has borrowed some words from Minnan dialect and Mandarin, but it also has many unique terms. Some Wenzhou dialect words are not commonly found in other dialects, making communication somewhat challenging. Additionally, Wenzhou dialect has its own grammar structures, including the use of reduplicated words, reduplicated sentences, and disyllabic words. As an important component of local culture, Wenzhou dialect is not only widely used in oral communication but also plays a significant role in literature, traditional operas, and folk arts. It enriches the cultural heritage of Wenzhou and symbolizes people's identity and sense of belonging. However, with social development and modernization, Wenzhou dialect faces challenges and difficulties. The younger generation is increasingly shifting towards using Mandarin, leading to a gradual decline in the use of Wenzhou dialect. Nonetheless, efforts are being made by relevant institutions and individuals to protect and inherit this unique dialect and its cultural heritage through research and promotion. In conclusion, Wenzhou dialect is a distinctive linguistic system within the Chinese dialects, characterized by strong local features and rich cultural connotations. Despite facing challenges, the research and preservation of Wenzhou dialect continue through the dedication of relevant institutions and individuals, providing an important cultural bond for the people in this region.