Lighting is an essential element in home decoration. It not only illuminates the room and creates atmosphere, but also greatly affects the overall style of a house. The lighting in each room should be based on its function. If it is a living room, then the majority of lighting should come from a chandelier, table lamp or standing lamp near the sofa, giving a warm, bright and comfortable atmosphere. The auxiliary lighting should be a wall lamp. If the wall lamp is a combination of both sides of the wall, a mirror lamp can be placed in the middle of the wall, which creates a symmetrical and warm atmosphere. In the bedroom, appropriate ambient light is the most important. The main light can be placed around the bed, such as a pair of wall lamp or a pair of bedside pendant, the function of it is to be able to enjoy reading in bed. With too much light, people feel dazzling and uncomfortable, while too little light will damage people's vision. In the kitchen, under-cabinet and ceiling bar lights are the most suitable for cooking and dining. The place of washing vegetables should be equipped with stronger lighting. As for the bathroom, we should choose the waterproof wall lamps to make sure its safely and effectively to use. In addition to the traditional concept of lighting, LED strips and remote control smart lighting have also become popular choices. LED strips not only ensures brightness, but also has multiple advantages such as low carbon, waterproof and energy saving. Smart lighting varieties double the fun of home decoration, and multiple lights can be automatically adjusted in real time. In conclusion, lighting is as important as other interior decorations. The most important thing is to choose the suitable lighting for different room, provides not only brightness, but also a better atmosphere, optimizing the overall sense of the home. Its worth to take time to think about the style and purchase of the lighting.