The Yiwu Zhi or Record of Foreign Matters, also known as the Jiaozhou Yiwu Zhi (交州异物志), Nanyi Yiwu Zhi (南裔异物志), Jiaozhi Yiwu Zhi (交趾异物志) and Yangyilang Zhushu (杨议郎著书) amongst others, is a treatise written by Eastern Hancourt advisor Yáng Fú (杨孚)[a] covering the people, geography, fauna, rice cultivation, fruit, trees, grass, bamboo, insects and fish of the South China Sea region. It is the first written Chinese account of the Lingnan area's produce, production methods and aboriginal customs and uses a detailed methodology that would be adopted as standard by later works of this genre including the Nanfang Caomu Zhuang, Linhai Shuishang Yiwu Zhi (临海水上异物志), Nanzhou Yiwu Zhi (南州异物志), Hainan Yiwu Zhi (凉州异物志), Bashu Yiwu Zhi (巴蜀异物志), Funan Yiwu Zhi (扶南异物志), Lingnan Yiwu Zhi (岭南异物志), Nanzhong Bajun Yiwu Zhi (南中八郡异物志), Guangzhou Yiwu Zhi (广州异物志), and Lingbiao Luyi (岭表录异).[1]
Human geography: Land of the Tattooed Forehead People (Diaoti Guo 雕题国), Territory of the Wolf (Lang Guo狼国), Xitu Guo (西屠国), Rau peoplesWuhu (乌浒), Yellow Haired People (Huang tou Ren黄头人), Kingdom of Funan, Phra Nakhon Si Ayutthaya ProvinceJinlin (金邻) Sidiao Guo (斯调国).
Animals and birds: Hepu cattle, gorilla, elephant, rhinoceros, macaque, peacock.
Fish and insects: mussel, cowrie, water snake, hawksbill turtle, whale, jellyfish.
In the first year of the QingDaoguang Emperor (1821), Zeng Zhao (曾钊) produced a version of Yangyilang Zhushu (杨议郎著书) from ancient textual sources then in 1849 the Yiwu Zhi. In March 1947, The Commercial Press in Shanghai published a compendium of works based on the Yiwu Zhi followed in 1991 by the Guangdong Publishing Group (广东省出版集团) issuing the Lingnan Cultural Archive (岭南文库), which included Wu Yongzhang's (吴永章) work Yiwu Zhi Jiyi Jiaozhu (异物志辑佚校注).