Installation method of steel skirting line decorated by open bolt

The invention discloses an installation method of a steel skirting line decorated by an open bolt, and belongs to the technical field of building interior decoration. The installation method comprisesthe following steps: reserving a groove for installing a steel skirting line during wall construction of a building structure; reviewing the structural precision of the groove of the wall body, aftermeeting the requirements, customizing a bottom plate, a backing plate and a panel of the steel skirting line, and the panel and the backing plate are in an integrated structure; drilling and embedding an expansion sleeve at the groove of the wall body, tightly attaching the bottom plate to the groove of the wall body, enabling one side of a nut to be far away from the wall body, and fixing the bottom plate on the wall body by using an expansion screw; tightly attaching the backing plate to the bottom plate, positioning the nut in the bolt hole on the backing plate, the nut is opposite to thebolt countersunk hole on th