Abstract
This article reports on the results of the survey on the carpentry tools used by the carpenters in the Maintenance Center of the Palace Museum in Beijing, China. The main contents could be explained by three key points as follows.
1 It is found that it is the most urgent and important issue to clarify out a standard set of carpentry tool s through the study of preceding research articles. I start this research by working on the one used in the Maintenance Center of the Palace Museum.
2 The standard set of carpentry tools contains 54 types with 72 tools. Among them, the plane set has 11 types with 17 tools, which stands on the top. The set of measurement tools follows with 10 types and 16 tools. The third one is the saw set of 7 types with 7 tools and the fourth one is the chisel set of 4 types with 10
tools.
3 The standard set of carpentry tools has two special features, which are different from those of the carpenters living in the suburbs of Beijing. One is that the ink-pot is decorated by the shape of Mayetou（ 麻葉頭）, a part in bracket complexes of the Qing architecture . The other one is that a big table with a large storage cabinet is used as a working stand.
