Su Yang Site: Located on the high platform on the south bank of Luohe River in Su Yang Village, Zhangwu Township, the site is 500 meters long from east to west and 800 meters wide from north to south, with Lin 'an Tiger Road in the north and Hua Yue in the south. The cultural layer of the site is about 6 meters thick, and the ceramics include red pottery with sand, pottery ash, black pottery and painted pottery. The recognizer includes red pottery jar, wide-mouth jar, wine vessel, small mouth and pointed bottom jar, pot, cup, painted pottery jar, jar and bowl. Black pottery has a small mouth and a high-necked jar, while gray pottery has a sand cup and a small flat-bottomed pot. Decorative patterns include basket pattern, engraved pattern, net pattern, additional pile pattern, painted pottery on white background, etc. Stone tools include stone sickles, stone knives and shovels. Judging from the unearthed specimens, it should be Yangshao-Longshan culture.