Abstract: A protective film using strengthened glass for display screen is provided, which includes a strengthened glass portion, a curved surface portion having a specific portion of a bottom surface formed with curved surface so as to correspond to a curved edge of the a display screen of a mobile device, formed with a gradual thickness from an end portion of the edge with a top portion formed with a curved surface, and insert-molded to the stepped latching portion of the strengthened glass portion so as to be connected to the edge of the strengthened glass portion, forming integrally with soft silicon material, and a sticking layer formed with the bottom surface of the strengthened glass portion with sticking material made of silicon material deposited below the strengthened glass portion.