本文在前人的先农坛太岁殿、拜殿大木结构实测图的基础上,运用全站仪、三维激光扫描仪进行了部分补测工作。在现有数据的基础上,本文初步推算出古代匠人在进行拜殿和太岁殿的大木尺寸设计中分别采用了316.5毫米和317.2毫米的营造尺,并进一步分析了大木尺度设计的基本方法,讨论了两座建筑的立柱侧脚、斗棋攒当等设计细节的差异。 On the basis of the measured map of the predecessor Xiannongtan Temple of Tai Ninjang and the Temple of Dadu structure, this paper carried out partial retesting with total station and 3D laser scanner. Based on the existing data, this paper initially estimates that the ancient tradesmen used 316.5 mm and 317.2 mm construction rulers respectively for the design of the large wood for the worship Hall and Taizui Hall, and further analyzed the basic methods for the design of large wood dimensions The two buildings of the column side legs, bucket chess when the difference between the design details.