1. 爬罗剔抉
1. 于此，本文首先对历代文籍进行了爬罗剔抉，进而遴选出了具有代表意义的作品；在对其成书、发现及其特征加以梳理，并从而探究出中国早期纪行记地文体的四大支系之后，经过进一步对《徐霞客游记》的比照和逐一分析，从而指出了《徐霞客游记》在中国游记体裁演变长河中的里程碑意义。
Bases on this analysis, the author classifies the early travel logs and notes in China into four schools. Comparing these four schools of travel logs and notes with Xu Xia Ke`s Travel Dairies, the author points out that Xu Xia Ke`s Travel Dairies is the milestone of in the evolution of Chinese travel logs and notes.