Scaffolding is a working platform erected to ensure the smooth progress of various construction processes. According to the erection position, it can be divided into outer scaffolding and inner scaffolding; according to different materials, it can be divided into wooden scaffolding, bamboo scaffolding, and steel pipe scaffolding; according to the structure form, it can be divided into vertical scaffolding, bridge scaffolding, portal scaffolding, suspended scaffolding, Hanging scaffolding, picking scaffolding, climbing scaffolding.