Lighting has a great influence in our life. With the growth of energy consumption, environmental issues, and light pollution, people have become more aware of the importance of using proper lighting. Lighting is an essential element of the built environment, an important tool in interior design, and an indispensable factor in home, business and public space.Lighting not only creates visual continuity, it also has a great influence on our physical and mental well-being.Good lighting can improve work efficiency,increase concentration,and reduce the consumption of other energy sources.The right lighting in a room can create an atmosphere of peace and comfort. Furthermore,lighting affects our health. Poor lighting can cause eye strain, headaches, and poor sleep, while natural sunlight can make us feel more energetic and alert. Good lighting can also promote the health of other living things. For example, plants require specific lighting conditions for photosynthesis. Finally,lighting is important for safety. Poor lighting can lead to accidents and other potential dangers. In conclusion,lighting plays an important role in our daily life.It can affect our physical and mental health, improve work efficiency, reduce energy consumption, and make our living environment safer.Therefore,we should pay more attention to lighting when designing our living space.