The influence and significance of Mengchuang s ci-poetry in the ci-poetic history could be mind- ed in three aspects as follows:First,Mengchuang s ci-poetry was renowned in its strict rhythm,which,as a reaction to the customary loose ci-poetic rhythm,was worshipped in the Late Song and the Middle and Late Qing Dynasties.

We should start from materials when we study the history of etymology and appraise the position objectively of the study of ancient people.

The achievements of the study of Chinese etymology in the history of etymology in the period of Wei, Jin, the south and north dynasties, Sui, Tang and the five dynasties had not been paid much attention.

Studying the history of etymology must roundly research the historical material, so we can get all-around and correct conclusion.

After reviewing the research achievements and the awkward predicaments of the lexis of ancient Chinese,this paper discusses the human-oriented means to study historical lexicology of Chinese from the aspects of language facts,the cognition opinion on the cognitive linguistics and the practice of studying old Chinese.