This paper aims to investigate the structural feature of Sajeonyeonkucho (Pre-study of dictionary) that was articles in Daehanminbo(Korean Newspaper for people) series. First of all, we tried to explain Daehanhyeop-hoe(Association of Korea) and Daehanminbo. And then, we wanted to analyze the structure of Sajeonyeonkucho. Finally, we would suggest the position of this dictionary in the history of lexicography korean.