This standard specifies the terms and definitions, general requirements, testing principles, testing devices, test pieces and installation, airtight performance testing, watertight performance testing, wind pressure resistance performance testing and testing reports of building curtain wall airtight, watertight and wind pressure resistance performance detection methods. It is suitable for laboratory testing of building curtain wall test pieces and their connecting structures to ensure that the performance of curtain wall systems under standard conditions meets the design requirements. The standard refers to relevant documents such as GB/T 31433 and GB/T 34327, providing scientific specifications and technical support for the building curtain wall industry.