Lighting is an indispensable part of our daily life, used in almost every corner of our life. It can be used to provide light, reduce glare, and create atmosphere. As an important part of our home furnishing, lighting can affect users' physical and mental health, and comfort. In home lighting, dimmers can be used to adjust the lighting from bright to dark, creating different atmospheres. Different light color temperature can create different moods, providing warm and cold light for life. LED lighting has become a popular choice for modern home lighting because of its energy-saving, environmental protection, and long life. Commercial lighting should take into account the use of space and the needs of customers. The products used should be able to meet the needs of customers, including beauty, brightness, energy saving, etc. Different areas require different lighting brightness and lightcolor temperature, and the corresponding lighting equipment should be selected. When lighting public places, the brightness also needs to meet the requirements of the public place. Lighting in supermarkets must meet the needs of the display of goods, and the brightness, color temperature must be the same as the display space. Lighting is an important part of our life. We should choose the lighting typeswisesly according to the actual requirements, to ensure that the lighting is appropriate and meets our needs.