The first floor of the terminal building adopts reinforced concrete structure, the second floor is made of long-span steel structure, and the roof structure adopts the square-corner taper bolt ball net frame. The steel structure of the terminal building includes: part of the steel structure in the middle floor of the second floor, two-story main frame steel structure, the outer curved steel beam, the roof load-bearing net frame, the boarding bridge steel structure project, the boarding bridge roofing project, etc. .