Method for attaching display cover and attaching device

A method for attaching a display cover, wherein a display comprises a display panel and a cover, the display panel and the cover are attached by an attaching device, and the method for attaching the display cover comprises:

• fixing the cover to a bottom of an accommodating cavity of the attaching device;
• fixing the display panel in a sealing mechanism of the accommodating cavity of the attaching device facing a side of the cover, forming a sealed space by the sealing mechanism, and arranging the display panel and the cover opposite to each other;
• filling the sealed space of the sealing mechanism with a pressurized gas, pushing a stretching mechanism movably connected with the sealing mechanism to move to the display panel, and bonding the display panel and the cover under a pushing force of the stretching mechanism and a pressure of the pressurized gas.