《水经注·卷七》
因为它在河边高岸上，地势平坦，所以叫平皋。薛攒注《汉书》说：《春秋》中记载狄人攻邢，邢人迁到夷仪，没有到这里。
《竹书纪年》曰：梁惠成王三年，郑城邢丘。司马彪《后汉郡国志》云：县有邢丘，故邢国，周公子所封矣。
Because it is on a high bank by the river, the terrain is flat, so it is called Pinggao. Xue Zuan annotated "Han Shu" and said: "Spring and Autumn" records that the Di people attacked Xing, and the people of Xing moved to Yiyi, but not here.