According to domestic folk beliefs, red is the best to ward off evil spirits.
Red represents peace and auspiciousness. This concept has existed in primitive society. Red is the color of the sun, the color of blood, and the color of fire. With the changes of the times, this view of advocating the color red has not changed for thousands of years. Therefore, on New Year's Eve, those who celebrate their zodiac year will put on red underwear or red belt early, and some wear it with them. Ornaments are also hung with red silk ropes to welcome their own year of life. It is believed that only in this way can we seek good luck and avoid bad luck, and eliminate disasters. These red objects used to ward off evil spirits in the year of birth are what is often called "birth red".