Installing lights on the gate can also play the role of exorcism, because in Feng Shui, people think that lights will also have yang, and when these yang appear around the gate, it can resolve the bad luck and suffocation around them, so that the quality of entering the indoor Feng Shui atmosphere will be better, and it will also bring more benefits to the family's fortune, so that the family's fortune can be improved and avoided being affected by these evil spirits.