Prefabricated infilled wall structure of steel frame and building

The utility model provides a prefabricated inner filling wall structure of a steel frame and a building, and solves the problems that the joint of an inner filling wall plate and a main body structure in a steel structure house is large in construction difficulty and easy to leak water. The prefabricated infilled wall structure of the steel frame comprises a T-shaped connecting plate fixedly arranged on the edge of a floor slab, the top face of the T-shaped connecting plate is exposed out of the floor slab, a prefabricated wall panel is vertically arranged on the floor slab, a plurality of embedded parts are exposed out of the bottom edge of the prefabricated wall panel at intervals, and the bottom faces of the embedded parts are welded to the top face of the T-shaped connecting plate; the top edge and the side edge of the prefabricated wallboard are surrounded by a post-cast strip, cast-in-place concrete is filled inside and outside the post-cast strip, and the top side/outer side of the cast-in-place concre