Rear vertical supporting structure used between basement floors and installation method thereof

The invention discloses a rear vertical supporting structure used between basement floors and an installation method thereof. The rear vertical supporting structure comprises steel lattice columns, adapter assemblies and rear embedded parts, wherein the steel lattice columns are vertically arranged between the basement floors; the adapter assemblies are arranged on the peripheries of the upper ends and the lower ends of the steel lattice columns and comprise angle steel arranged on the peripheries of the ends of the steel lattice columns, the angle steel comprises a first steel plate and a second steel plate which are vertically arranged, the first steel plate is welded to the side faces of the ends of the steel lattice columns in an attached mode, and the second steel plate is arranged on the installation surfaces of the basement floors in an attached mode; and the steel lattice columns are anchored to the basement floors through the second steel plate of the angle steel. According to the rear vertical suppo