Lighting has a great influence on us throughout the day. It can bring joy or sadness, and it is important to understand how to use it properly. For example, proper lighting can be used to sort through papers and documents more quickly. In order to increase the work efficiency, the correct brightness and color temperature should be selected to reduce eye fatigue. Natural lights shall be used when possible. Sunlight is the best source of illumination for our eyes. Lighting can also be used to create a pleasant and cozy atmosphere. Different colors can be used to set the mood of a room in various ways. For instance, a warm hue such as orange can set an inviting atmosphere, while cold blue tones can create a soothing atmosphere. In addition, increasing the brightness of lighting serves to improve our concentration. For childrens study, a proper lighting environment is necessary. The brightness should not be too bright, otherwise their eyesight may be affected. In conclusion, lighting plays a large role in our daily lives. Understanding how to use it properly is important in order to improve our quality of life. Proper lighting can help increase work efficiency, create a pleasant atmosphere, and improve concentration.