The renovation and reconstruction of Lilong building should take into account the requirements of both the protection of historical features and the improvement of people's livelihood. The traditional design and management methods often face to difficulties in communication and coordination among residents and low efficiency. This paper reviews the difficulties faced by the current reconstruction of the buildings in Lilong, and discusses the overall idea and key points of the construction of the BIM model of the buildings in Lilong. Accordingly, the applicability of BIM technology is analyzed from the three stages of the preliminary design, reconstruction construction and operation and maintenance management of the reconstruction of the buildings in Lilong, which concludes that the BIM technology possesses significant application advantages in the reconstruction of the buildings in Lilong.