Lighting is an important and necessary part of our life, it can bring us light and illumination, so that we can have a clear view in darkness. There are different types of lights, such as natural light, bulb light, artificial light, and LED light. Natural light usually comes from the sun and can be very bright. Bulb light can be used indoor and outdoor, they come in different shapes and sizes, which provide us the general illumination during the day and night. Artificial light is made up of chemical or electrical which emit light when electricity or chemical reaction take place. It usually comes from fixtures and lamps. Finally, LED light, which is one of the most energy efficient type of light, could last longer and save more energy and money in the long run. Besides having different types of lights, lighting plays an important role in our life. It helps us to have sleep cycle, work productivity, as well as provide us the light for safety reason. Good lighting can improve our sight, make our environment look and feel more comfortable. Lighting is truly amazing and important in our daily life. It can help us to see the better of this world, and provide us with a safer and healthier living environment.