The LED energy-saving bulbs seen in daily life carry many people's consistent cognition of bulbs. The use of emotional design techniques has changed people's views on lamps. The simple design language expresses the integration of lamps and homes, with a strong sense of scene. A knob switch is set on the top of the lamp to express that for the top of the spiral bulb seen in daily life, the brightness and darkness of the light source are adjusted during the process of rotating the top, so that the shape of the lamp is more simple, the functionality of the lamp is more in line with the needs of modern life, and the simple style of the home environment is more comfortable.