Lighting is an important part of architecture, which has a great influence on the overall environment of a building. Lighting can enhance the texture of the architectural exterior, interior and other parts, improve the living environment and make people feel more comfortable and pleasant. Good lighting design should consider factors such as the main purpose of the room, the size, the materials used and the function of the lights. First, architects should study the purpose of the room, the necessary lighting characteristics of the activities, and the size and size of the space. For example, the main lights should be selected according to the overall function of the room, such as reading lights, general lights or decorative lights, while the additional lighting should be carefully considered according to thesize and lighting characteristics of the room. In addition, some special lighting effects can also be used in architectural design, such as atmospheric lighting. Atmosphereachitectural lighting is usually used for decorative purposes and can help create a particular atmosphere. It can also be used to highlight certain features of the architecture. For example, bright accent lighting can be used to emphasize a certain architectural detail, while soft down lighting can give a room more of a mood. To sum up, lighting is an important part of the architectural design, and its effect on the overall environment of the building should not be underestimated. Architects should consider the purpose of the room, the size, the materials used, and the function of the lights when designing a lighting system. In addition, special lighting techniques such as atmospheric lighting can also be used to enhance the overall effect of the architecture.