The purpose of this paper is to account for the grammaticalization path of final subordinative marker in Mandarin Chinese, such as “XP de hua”, “XP de shihou”. According to our diachronic analysis of the Chinese historical corpus data, “XP de hua”, “XP de shihou” constructions have started to undergo the syntactic reanalysis during Qing dynasty period. Entering into 20th Century(Modern Chinese period), “XP de hua”, “XP de shihou” constructions have been fully grammaticalized as final subordinative marker.