辽宁省绥中县九门口长城是全国重点文物保护单位,又是世界遗产,过河城桥作为九门口长城的重要一部分,代表了明代长城线上一种特殊类型。围绕九门口城桥的九门六门之争和“一片石”所指虽然在考古发掘之后有所解决,但仍有继续探讨和释疑的必要。本文结合考古发掘资科及历史文献,通过对这两个历史疑问进行重新审视,可以看出,上游六门城桥晚于下游九门真实存在,“一片石”所指尚有很多疑问;最后从建筑学视野,对城桥的选址和河床铺石的构造作用进行了解读,以此完整地呈现九门口过河城桥的真实性和自身价值。 The Great Wall of Nine-mouth in Suizhong County of Liaoning Province is a national key cultural relics protection unit and a World Heritage Site. As an important part of the Great Wall of Jiutou, Hecheng Bridge represents a special type of online service in the Ming Dynasty. The nine-door six-door dispute surrounding the nine-door-bridge and the “one-piece stone” referral have been resolved after archaeological excavations. However, there is still a need to continue discussions and dispel doubts. This article combined with archaeological excavations of the ki capital and historical documents, through the re-examination of these two historical questions, we can see that there is still a lot of questions Finally, from the perspective of architecture, this paper interprets the site selection of the Chengqiao Bridge and the tectonic function of riverbed paving to fully present the authenticity and self-worth of the crossing nine river crossing bridges.