This paper is a bibliographic analysis on printed books of Mngz(孟子) in Choseon Dynasty. Through examination of the physical characteristics of books in many institutes and private collections, Mngzjzhdqun(孟子集註大全)was systematically explored, which was the most frequently published Mngz(孟子) in Choseon Dynasty. Mngz(孟子) was published mainly in Kyungki and Kyungsang provinces, and in the period of 17C to 19C. There are two streams of Mngzjzhdqun. One is the series of the reprinted edition of Mngbon(明本覆刻), originated from Saseookyungdaejun(四書五經大全), compiled by Hokwang(湖廣) and colleagues in Mng(明). The second is the series of Chungyuja books(丁酉字本) among movable type books of Choseon(朝鮮活字本), the contents of which being the same as the other stream. Also, Mngzdiwn(孟子大文) and Mngzzhngwn(孟子正文) are frequently published.