该文主要从先秦文献中所载之楼车及云梯形制，说明二者实有相同之功能，即用以窥伺敌军。从汉儒服虔注《左传》时引用《兵法》一书，即提供了一项较少为历来学界注意的材料。后人由于二者名称各不相同，乃以二者并不相涉；文中则从典籍所载，提出所谓“飞楼”者，当为设于云梯上用来观察敌情之塔楼，以证二者理应极有关系。此外，唐以后兵书又多误以后世形制加诸先秦之云梯，虽近代学界亦复如是。文中对此稍作澄清，以还先秦云梯之原貌。 This article mainly from the pre-Qin literature contained in the car and ladder shape, that both have the same function, that is, to peep at the enemy. From the Han Confucian doctrine, “Zuo Zhuan” when quoting the “Art of War” book, which provides a less for the academic historians pay attention to the material. Since the descendants have different names, they are not related to each other. In the text, the so-called “flyers” are set forth in the texts of the book. When they are towers used to observe the enemy’s crests on a ladder, It should be very relevant. In addition, since the Tang Dynasty, the war texts were mistakenly added to the Ladder of the Pre-Qin Dynasty by post-modernism. In this article a little clarification, to return the original appearance of the ladder before Qin.