With the arrival of the 5G era, higher requirements have been put forward for the transmission of signals. As the metal shell has certain shielding effect on the signal, it has promoted the application and development of the glass phone shell. Today, such as HUAWEI, millet, Samsung, OPPP, VIVO and other mobile terminals, are using 2.5/3D glass shell. Mobile decorative film in the decorative glass shell with personalized design, brand effect, etc., and is widely used in the decoration of electronic products. The utility model has the advantages of high brightness and good visual effect, and can realize the running effect of dynamic light beams, ripples, etc. or various optical effects such as curves, harmonic lines, etc.. Independent research and development, design texture structure, to achieve a variety of optical, static or dynamic effects, to meet all kinds of products landscaping, decoration and personalized needs.