Lighting plays an important role in our lives. Good lighting can not only provide us with a comfortable visual effect, but also achieve the purpose of energy saving. Lighting has a great influence on people's behavior. For example, in a dimly lit room, people's performance will be affected, while in a brightly lit room, people's work efficiency and accuracy will be greatly improved. In terms of lighting selection, we should pay attention to energy efficiency. Many lights are powered by electricity. Therefore, when purchasing, we should consider its energy efficiency. LED lighting is a good choice. LED lights not only use less power than traditional light bulbs, but also have a longer service life. In addition, LED lamps emit less heat and are more environmentally friendly. Therefore, LED lighting has become the mainstream of lighting products. In addition, the lighting in different environments should be chosen differently. For example, in the living room, warm colors should be chosen to create a relaxing atmosphere; in the bedroom, low brightness should be chosen to ensure a good sleep; in the kitchen, lighting should be bright and easy to clean. Different lighting needs to choose different switch control methods. Usually, we can choose conventional wall switches, or remote control, voice control, etc., to achieve different lighting effects and operations. To sum up, lighting is indispensable for our lives. We should choose the lighting according to our needs, and choose the energy-saving and comfortable type, so as to achieve the purpose of energy saving while bringing us better lighting experience.