This kind of purifying air and sterilizing panel light can give 24-hour service to customer using air filter, ultraviolet ray and photocatalyst. The light can be controlled separately by remote controlled divided in two modules, lighting module and purification module. During the light working, the air indoor enter in disinfection chamber through air inlet to be disinfected and sterilized, then the cleaned air will be discharged to indoor through air outlet. HEPA filter has a Nano coating, which can absorb larger particles, like PM2.5 and TVOC. Ultraviolet ray lamp can damage biological structure of bacteria, viruses, fungi, and allergens in the air, and trigger the active response of photocatalyst, so as to clear the air. The light is designed into two modules and can be divided, so it is easier to maintain. The product has obtained series of inspection report on eliminating coronaviruses bacteria, can be used in public place, like hospital, school, supermarket, and nursing home, to effectively reduce the spread of coronaviruses bacteria and the others. The installation of the product is so easy as regulate penal light, and do not occupy additional space. Additionally, the product is good at heat dissipation and save highly expensive by using sheet metal material rather than using plastic mold lamp.