本文嘗試透過詩歌語言風格學的研究方法，透過歸納統計，分析鄭愁予的古典風格。從詞彙上來看，鄭愁予的古典風格來自他偏好使用古語詞，在鄭愁予的詩裡我們很少能看到外來詞。除此之外，鄭愁予偏好結合兩個單字創出具有古風的新詞，與古語詞結合在一起，其古典風格更突出。但鄭愁予用大量的語氣詞營造現代語境，讓古典風格仍然維持在現代語境之下，不至於費解拗口。從句式來看，鄭愁予詩中雖然有豐富的文言句式，但是同樣有豐富的歐化句式讓詩作跌宕生姿，而歐化句式的倒裝句搭配古典詞彙則產生類似文言句式的效果，再加上不讓余光中專美於前的三聯句式，形式上讓人聯想起宋詞。此為鄭愁予詩作具有古典風格之原因。

This thesis aims at analyzing classic style of Cheng Chou-yu based on research method of linguistic stylistics by using statistic regression. It shows that Cheng Chou-you tends to use classical Chinese lexicon. Loan words are rarely seen in Cheng's poems. In addition Cheng prefers combining two characters into new words to create classic style. When new words come together with classical Chinese lexicon, classic style turns to be very distinctive. Classical styles arisen in modern context created by using lots of modal particles seems to be easy to read and pronounce. From the perspective on syntax, Cheng's use the classical Chinese sentences abundantly in his poems. However Western sentence structure also well diverse the poems. Moreover inversion of Western sentence with classical Chinese lexicon produces effects similar to the classical Chinese. Further tricola remind readers of Song Poems (宋詞).