The utility model relates to the technical field of notebook computer display screens, in particular to a sealing line pressing structure for a notebook computer display screen, which is used for being installed in a screen line channel and comprises a line pressing box, a plurality of screen line holes arranged along the axial direction of the line pressing box are respectively arranged on two sides of the line pressing box, and the screen line holes are communicated with the line pressing box. The wire pressing box is internally provided with a fixing cavity used for fixing screen wires, the fixing cavity is communicated with all the screen wire holes, the screen wire holes formed in the two sides of the wire pressing box are in one-to-one correspondence, and matched screen wires can penetrate through the screen wire holes. According to the utility model, the two ends of the screen wire penetrating through the wire pressing box are fixed through the screen wire holes, so that the plurality of screen wires can be mounted in a branching manner, and meanwhile, each screen wire is ensured to be stably mounted by utilizing the design of the screen wire holes.