Lighting plays an important role in our daily life. It not only creates a comfortable environment for living but also influences our health significantly. We need it to see clearly, to stay alert, and in some way, an outburst of emotions and feeling. Therefore, it is necessary to choose the appropriate lighting for different purpose. Lighting has both functional and aesthetic purposes. This is why lighting design is very important for both indoors and outdoors. In the outdoors environment, lighting may be used to provide safety, visibility and help define outdoor spaces. Spotlights, floodlights, and wall-washing lights are some of the considerations for outdoor lighting. Indoor lighting, on the other hand, can be divided into three main categories: task lighting, accent lighting, and ambient lighting. Task lighting helps a person completing specific task such as reading, writing, or playing. It can provide localized lighting for a desk, countertop, or workbench. Accent lighting adds drama to the room by highlighting artwork, flowers, plants and other objects. Ambient lighting, as its name suggests, is used to set the overall illumination in the room. No matter what type of lighting you are using, it is necessary to take into account functional, aesthetic and environmental considerations. The selection of lighting fixtures should be appropriate to its functions, both of function and design. Brightness and color temperature must also be kept considerate put when selecting lighting to ensure the correct one. In conclusion, lighting should be well considered because of its roles in our daily life and its affective on our eye health. To make sure getting the most appropriate lighting, correct measurements, suitable choice and correct installation are all required.