After more than 30 years of development, the domestic building curtain wall has established a national industry standard system and completed a huge amount of engineering practice. With the continuous development of the economy, the annual output value of the building curtain wall industry shows a steady growth trend, but in recent years, the glass curtain wall safety accidents have frequently occurred, and the fashion label in these cities seems to have become the invisible killer in the sky, at the same time, people's attention to the safety testing and maintenance of the glass curtain wall is far from enough, exposing many safety problems. It also caused serious social impact such as property loss and personal injury to varying degrees.