Lighting is very important in our life, which can not only provide us with bright and comfortable environment, but also protect us from potential hazards and provide us rich visual experience. Lighting idea in modern architecture is based on concept that light should be used to control, enrich and animate living areas and differentiate them from each other. We can divide lighting into internal lighting and external lighting. Internal lighting is to illuminate the internal space of the buildings, in order to create give full play to the details of building interior and its decoration. When it comes to internal lighting, task lighting, accent lighting, and ambient lighting are most common, which have different functions to make our living area more comfortable and look more beautiful. External lighting mainly focus on exterior walls or building silhouettes in order to create shine our space. It is divided into various kinds, such as flood lighting, spot lighting and wall lighting. Flood lighting can be used to light up the outer walls, spot lighting can bring out the architectural statues and wall lighting can make your building look more luxurious and attractive at night. In summary, lighting plays an important role in architecture. By providing us with bright and comfortable environment, lighting can create a special mood and atmosphere in our living area.