Lighting is a very important element in life. It is widely used in our daily life, such as in traffic and living environments. Without lighting, life would be miserable. Lighting can be natural or artificial. Natural lighting is the most popular and widely used, as it is a free source of light. Natural light illuminates our planet, and it can be beneficial for our overall physical and mental wellbeing. However, natural lighting does not always provide the light intensity and color temperature that we need indoors. Therefore, artificial lighting like LED, fluorescent and incandescent lamps are often used indoors. These artificial light sources can provide a specific light intensity and color temperature. LED lights are by far the most popular, as they are energy efficient and last longer than traditional energy sources. LED also offers a variety of light colors, which can be used to create a comfortable atmosphere. Lighting can also have a great impact on our mental and physical health. It affects how we function, both physically and mentally. Good lighting can improve concentration, performance, and help relieve stress. On the other hand, poor lighting can lead to fatigue, headaches, and other physical and mental complications. In conclusion, lighting is an important element of life that cannot be overlooked. It has the power to dramatically affect our physical and mental condition and can even influence our overall well-being. Thus, we need to pay attention to the lighting of our living and working space.