Abstract: “The Investigation of XunWu” was the largest one of MAO Ze-dong's countryside's investigations in scale which was the brilliant ideal in our Party's investigation, mainly symbolizing the important thought such as "No survey,No say" pioneered by MAO Ze-dong.Since “The Investigation of XunWu”reflected the courtryside's society of the central SuQu during the period of the land revolutionary ,It preserves many rich social,political and economic data of that time which has the great research value to Hakka's society and culture.

Key words: MAO Ze-dong；&ldquo, The Investigation of XunWu&rdquo, ；Field Work；Hakka；Society and Economy