Because the characteristics of the steel structure itself will be overall instability or local instability, which is related to the whole process of the foundation and the bolt, and the two are also interrelated, most of the steel structure plant instability is caused by steel, once the compression part or the flexion part of the slenderness ratio exceeds the standard value, it will lose stability. There are more objective factors leading to instability than efficiencies, such as load change, initial defects of steel, and different support conditions that will lead to instability. Foundation problems can be divided into three types: foundation strength, foundation deformation, and foundation destruction.