Touch screen film covering device and process

The invention relates to the technical field of touch screen film covering, and discloses a touch screen film covering device which comprises a base used for supporting a touch screen, a movable frame used for placing a screen film is movably installed on the base, a plurality of elastic pieces are arranged between the movable frame and the base, a supporting column is fixedly installed on the base, and the supporting column is fixedly installed on the base. A treatment box is fixedly installed at the upper ends of the supporting columns, an air pump is fixedly installed at the upper end of the treatment box, two baffles and an elastic air bag located between the two baffles are fixedly installed at the lower end of the treatment box, the elastic air bag is located above the movable frame, and a first communication groove and a second communication groove are formed in the upper end of the treatment box; and the air outlet end of the air pump communicates with the elastic air bag through the first communicati