The purpose of this study is to examine the subject quantity semantic function represented by the adverb of Ancient Chinese language. First, the examples of adverbs representing subject quantity were laid out. Second, the ancient Chinese adverbs, which represent a large subjective quantity include ‘始’, ‘乃’, ‘已’, ‘猶’, ‘將’, ‘且’, ‘幾’. Among them, ‘始’, ‘乃’, ‘已’ and ‘猶’ are neutral types and ‘將’, ‘且’, ‘幾’ is shortfall types. Third, the ancient Chinese adverbs, which represent a small subjective quantity include ‘唯/惟/維’, ‘獨’, ‘止’, ‘僅’, ‘徒’, ‘特’, ‘直’, ‘祇/祗’ and ‘乃’, all of which are neutral types.