Lighting, the essential part of our life, plays an important role for us. Does anyone know how it came into existence？At first, oil being burned in a lamp with stone was mans original source of light. Later, this idea became electric lighting. The traditional lighting now is based on electricity. With the advancement of technology, these traditional lights are being replaced by energy-saving lights. A LED, or Light Emitting Diode, is the best option that is available today in terms of energy efficiency. LED lights are more efficient than other lights because it produces light without much wastage of energy and require very low voltage for functioning. Apart from homes and offices, lighting is also used for various occasions such as Christmas, weddings, parties and birthdays. Both indoors and outdoors, creative lighting has become an important part in events decoration. Proper lighting can create atmosphere no matter it is soft and romantic or exciting and dynamic. To sum up, lighting has been a time-honored definition since the beginning of mankind. With the development of modern technology, the traditional lights are being replaced by more energy-efficient and creative LED lights. It has become an essential part of our life.