This document specifies the classification, testing equipment and personnel, test pieces and installation, testing and reporting of the abnormal opening performance of external doors, windows and louvers of buildings. This document is applicable to the laboratory testing of the anti-unusual opening performance of external doors, windows and louvers of buildings. This document does not apply to the detection of the connection between the test piece and the wall, and the situation where the lock cylinder is opened by technical means or the chemical corrosion method destroys the test piece and enters the non-intrusive side.