Light box advertising is also called "light box poster" or "night light poster". Outdoor light box advertisements are distributed on both sides of roads and streets, as well as in public places such as cinemas (theaters), exhibitions (sales meetings), commercial downtown areas, stations, airports, docks and parks. It is called "semi-permanent" street art abroad. The new flexible light box has changed the shortcomings of traditional light boxes in the daytime, and has no monotonous images and characters. With its vivid images, it displays rich glyphs, showing a unique decorative effect with bright colors and strong texture no matter day or night. With the manufacturing technology, materials and technology of flexible light box, it can not only be made into a giant light box covering the whole wall, but also be made into a physical model, and it is easy to transport, install, wear and flame retardant for several years. Widely used in banks, supermarkets, fast food restaurants, gas stations and so on. It has become a new form of shop facade decoration.