Our company has been immersed in the BIM field for many years, and constantly summarized experience in the project implementation process, all the carriers of BIM technology are around the simplest and the most initial family components, whether the feasibility of the scheme, or the statistics of the quantity are inseparable from the extraction and induction of all kinds of information in family documents, Therefore, our company independently developed the frog family library platform, and introduced the concept of LOD600 and LOD700 to improve the identity information, technical information, operation and maintenance information of family members, improve the geometric accuracy of family files, and strive to make the family members infinitely close to the truth And on this basis of the introduction of business information, cost information and business process information and other data Make BIM technology in the near future more perfect service to the society.