[1] In 1996, after retiring from Boston, he returned to Taiwan and, along with Yang Mu, Wang Wenjin, and Yan Kunyang, co-founded Department of Chinese Language and Literature at NDHU College of Humanities and Social Sciences, as Founding Chair.

In 1997, Cheng Ching-mao was honored with the First National Literary Award for Outstanding Translation.

[2][3][4][5][6] He has authored books such as "Chinese Literature in Japan" and has translated various works in Japanese sinology, including Kōjirō Yoshikawa's "Studies of Yuan Drama," "Introduction to Song Poetry," and "Introduction to Yuan and Ming Poetry," as well as Koichi Shonishi's "History of Japanese Literature," "The Tale of the Heike," and Matsuo Bashō's "The Narrow Road to the Interior."

In 2015, he was honored with the "Order of the Rising Sun" of Emperor of Japan for his dedication to translating classic Japanese literature.

In 2019, in order to nurture future generations of Japanese sinology researchers and literary translators, he donated his entire collection of over ten thousand books, historical materials, and manuscripts to National Dong Hwa University Library.