Abstract：Sun Baoxuan'work, wang shan lu dairy, mainly describes the social situations in late Qing Dynasty.At present, there exists two problems with regard to the study of Sun BaoXuan's work: one is that some scholars only try to prove their ideas supported by proofs in Sun BaoXuan's work, another one is that they lack of systematic studies on the work itself in that they often analyze and interpret the work in a superficial way, for example, they just pay attention to individual points instead of the relationship network among different points.If we study intensively on wang shan lu dairy from the viewpoint of human international network history, we can find that Sun Baoxuan's interpersonal communication network contributes a lot to his rich knowledge about western society.Sun Baoxuan has many friends abroad and at home, such as Sun Baoqi, Sao JiYing, and Song Ru, with whom he often held some social activities.

Keyword：Sun Baoxuan;wang shan lu dairy;network history;