Lighting is an important aspect of our lives. In the past, fire was the main source of light and people's life was very difficult. Nowadays, the development of technology and science has greatly improved our lighting solutions. First of all, there are different types of lighting products. The traditional incandescent light bulbs are still used, but they are being replaced by LED lighting and energy-saving lamps. LED lighting is more efficient, because it emits more light with less energy, saving electricity cost. Additionally, other sources of light, such as halogen lamps, fluorescent lamps, and even solar-powered lamps, are being developed. All of these new technologies help us improve our lighting solutions and reduce energy consumption. In addition to the bright lighting, we also need dimmable lighting. Dimmable lighting helps us regulate the light intensity according to different scenarios. It can help reduce glare, as well as improve the mood of the environment. Nowadays, there are many dimmable lighting solutions available, such as dimmable bulbs, switches, and other fixtures. Finally, lighting designers need to pay attention to the energy efficiency of the lighting products. Selecting an energy-efficient lighting product can help reduce electricity cost and reduce the environmental impact of the lighting. Additionally, the lighting design should consider how the light interacts with the surrounding environment. With an appropriate lighting scheme, the environmental benefits can be maximized. In conclusion, lighting plays an important role in our everyday lives. Technology has developed many different types of lighting products for different scenarios. Designers should always consider the energy efficiency of the lighting products and optimize the lighting scheme to maximize the environmental benefits.