Suspended ceiling structure adopting prefabricated large-size lines

The utility model relates to a suspended ceiling structure adopting prefabricated assembly type large-size lines, which belongs to the technical field of building decoration and comprises a wall body and a floor top layer, the lower end of the periphery of the floor top layer and the wall body are formed in a reinforced concrete building mode, and prefabricated line plates are arranged between the lower end of the periphery of the floor top layer and the wall body. A dustproof line attached to the prefabricated line plate is arranged between the upper end of the front portion of the prefabricated line plate and the floor top layer, a plurality of barrier strip fixing blocks fixedly connected with the floor top layer through screws are arranged between the dustproof line and the floor top layer, and a plurality of adjusting double-thread screws used for fixing the prefabricated line plate are arranged between the barrier strip fixing blocks and the wall body. The upper ends of the adjusting double-thread screw