本論文以「音韻特徵」為核心，調查彰化縣二十六個鄉鎮，共112 個65 歲以上，世居當地的老人的語音資料。進行彰化縣閩南語的方言類型及分佈之研究，畫出各字類的方言變體分佈圖及等語線，最後畫出閩南語方言分區圖。我們畫出1 張彰化縣閩南語方言分區圖，38 張彰化縣閩南語方言變體分佈圖。在每張方言變體分佈圖中，我們畫出等語線，並畫出5 張彰化縣閩南語方言等語線束圖，呈現彰化縣閩南語分佈的情形。最後，我們建立彰化縣閩南語的方言分區，並歸納出彰化縣閩南語演變的動機及語言接觸的類型。

The topic of this research, ＂The types and districts of Min-Nan dialect in Changhua County＂, according to phonetic features is investigated through field trip. The research collected speech database of 112 elder, who are older than 65 years old; therefore, we can understand the types and distribution of the language, and draw bundle of isoglosses to proof the correction of Changhua County Min-Nan distribution by drawing dialect area atlas and variety diagram. First, we discussed the variants and distribution of 入, and we found the variants and distribution of 入are explored to proof the theory of lexical diffusion and structural diffusion. Second, we discussed the variants and distribution of single vowel, diphthongs, Nasals of the area. Third, we discussed the variants and distribution of tone of the area. We found that ＂level tone＂, ＂medial tone＂, has became mainstream. Finally, we concluded with the motivation of development of Changhua Min-Nan, and types of languages contact. We drew a dialect area atlas, 38 pieces of dialect variety diagram of Min-Nan in Changhua County. We drew isogloss in each dialect variety diagram. At last, we drew 5 pieces of bundle of isoglosses diagrams to show the distribution of Changhua Min-Nan.