中国古建筑的牌楼(又名牌坊),广为人们熟悉和喜爱。它屹立在古寺观、街衢、苑囿、陵寝或纪念性建筑之前,飞檐挑出、翼角翘起、玲珑精巧、古朴雅观,堪称我国古建筑的精品。关于牌楼的产生、演变、种类、用途,老一辈建筑学家们曾作过详细考证,对牌楼的权衡、比例、尺度及营造要领也有文字记叙。刘敦桢先生收集了民间工匠流传的各种牌楼底本 The archway (also known as the archway) of ancient Chinese architecture is widely known and loved by people. It stands in front of ancient temples, street temples, gardens, tombs or monumental buildings. The cornices are singled out, winged, exquisite, and elegant. It is a fine example of ancient architecture in China. With regard to the emergence, evolution, types, and uses of archways, older generations of architects have made detailed textual researches. There are also textual narrations on the balance, proportion, scale, and construction of archways. Mr. Liu Dunzhen collected all the archaic books handed down by folk craftsmen.