Night lights are one of the most common elements of modern urban decorations. They not only beautify the night, but also display the unique cultural atmosphere of a city and bring a sense of comfort to its residents. On a starry night, the beautiful night lights of various colors seem to be the fireworks that light up the night sky. In highplaces, colors of various colors intertwined, with three-dimensional, light and shadow elegant outline to form an extremely stunning visual impact. In many cities, night lights are bustling with streets and alleys, and the main roads are covered with a layer of fluorescent halo that looks like a brightly colored necklace. Walking on the street at night, besides the brisk nightlife, the dazzling lights make people feel very comfortable. Night lights also represent a certain theme of the city. Such as the special building in the city, certain iconic buildings are illuminated with lights of different colors during the night, diverting attention from the lights and making people look crowded. In different seasons, there will be different night lighting effects, and different reflection effects give people vivid pictures. Night lights can make the night not so lonely. They represent our yearning for beauty, but at the same time bring us a sense of warmth and security.