Building curtain wall cutting method and system

The invention provides a curtain wall cutting method and system for a building, and relates to the technical field of curtain wall cutting, and the method comprises the steps: obtaining curtain wall demand information of a passenger station building, measuring the structure of the passenger station building, determining curtain wall size data and installation position information, then carrying out data extraction, obtaining a cutting lofting database, and constructing a curtain wall cutting lofting model. The method comprises the following steps: manufacturing a template sample, acquiring sample information, adding curtain wall cutting quantity channels, and after the sample is cut to be qualified, carrying out batch curtain wall cutting processing by using the cutting sample size, the cutting sample shape and the cutting processing control parameters corresponding to the qualified cutting. The problems that in a traditional mode, the operation efficiency is low, the machining precision is difficult to guara