In the article Xunwu Investigation, Mao Zedong said Xunwu County is located at the junction of three provinces.

1930 In May, comrades conducted a social survey here and wrote two brilliant works, Investigating Wu and Opposing Bookishness. He first put forward the scientific conclusions that "without investigation, there is no right to speak" and "the victory of China's revolutionary struggle depends on Comrade China's understanding of China", which laid a solid theoretical foundation for the China of Marxism and the formation and development of our party's ideological line of seeking truth from facts.

Looking for Wu is the largest social survey during the Agrarian Revolutionary War, and it is also the first social survey focusing on cities. The full text of "Looking for Wu" is more than 80,000 words, covering geographical location, historical evolution, administrative divisions, natural features, land and water transportation, local products, commercial exchanges, tax system, population composition, land relations, class status, exploitation methods, land struggle and so on. Through on-the-spot investigation, interview and investigation meeting, Mao Zedong made a detailed investigation of more than 300 people in Xunwu County, and formed hundreds of thousands of words of investigation records.