Method for manufacturing composite glass back cover plate of mobile phone

The invention discloses a method for manufacturing a composite glass back cover plate of a mobile phone. The method comprises the following steps: manufacturing a glass layer, manufacturing a composite film layer, and injection molding a plastic composite layer; placing the treated glass layer in a prepared mould, aligning the treated glass layer to the assorted clamping fixture of the treated composite film layer, placing the treated glass layer in a laminating machine that is heated and vacuumized to laminate the glass layer with the composite film layer, and taking out the laminating fixture of the composite film layer; coating an adhesive on the plastic composite layer, aligning the laminating fixture of the plastic composite layer with the mould where the glass layer laminated with the composite film layer is located, laminating the plastic composite layer with the glass layer laminated with the composite film layer, taking out the laminating fixture of the plastic composite layer, and manufacturing the