Curtain wall beam-column structure and installation method thereof

The invention discloses a curtain wall beam-column structure and an installation method thereof. The curtain wall beam-column structure comprises a group of first curtain wall columns and second curtain wall columns, wherein the first curtain wall columns are vertically arranged in a rectangular array mode, and the second curtain wall columns are arranged on the two sides of the group of first curtain wall columns; a group of rectangular reinforcing beams are arranged on the group of first curtain wall columns, the group of rectangular reinforcing beams are sequentially and horizontally arranged, and an overlapped box body frame is formed by the group of rectangular reinforcing beams and the group of first curtain wall columns; and a group of curtain wall beams is arranged between the second curtain wall columns and the box body frame. According to the curtain wall beam-column structure, the weight is small, constructing is convenient, structural design is ingenious, and the bearing capacity and stability are