Abstract: The section steel skeleton is built in the ordinary light steel keel partition wall to meet the performance requirements of the ultra-high partition wall. However, as for the large volume and complex structure, it is difficult to realize the accurate calculation of engineering quantities. Therefore, combined with the "Light Steel Keel Gypsum Board Partition Wall and Ceiling" (07CJ03-1), this paper explores the arrangement law of keel without relying on the three-dimensional model and further creates WPF application by employing C# language to compile measurement rules, which finally realizes the rapid calculation of the engineering quantity of ultra-high light steel keel partition wall and improves the takeoff efficiency. The data of an actual project is extracted in the paper. Comparing the exported engineering quantity with the consumption calculated according to the specification, the error of the results meets the requirements.