Abstract：By using 3D node-adjustable elasticoplastic finite-infinite-shell element coupling calculation model，the spatial action between the building foundation of Guangzhou New-China mansion and the existed underground shelter cave is analyzed in this paper. The calculated displacement of underground cave under foundation load is compared with measurement results in site and is approved reliable. The safe distance between building foundation and underground cave and some other concerned conclusions are obtained. The study results not only serve as important inference to the construction of this case，but also accumulate experience and data for other similar engineering practices.
