After tens of millions of years of natural evolution, humans have formed a law of life based on sunlight. If a person stays in a constant single-color lighting environment for a long period of time, it is easy to produce physical and psychological discomforts such as boredom, fatigue, drowsiness, depression, depression, etc., resulting in decreased attention, slow response and increasing error rate. Professional cognitive function causes certain damage. Artificial lighting shall rely on intelligent systems to establish a light and comfortable environment in the indoor space, which can reduce staff fatigue and improve work efficiency.