Pressing the door with red paper is a folk custom, which mainly appears in some places, such as China, Taiwan Province, Fujian and Guangdong. This custom is usually used for weddings, childbirth, housewarming and other festive occasions. On these occasions, people will hang red paper on the door to express their wishes and blessings. Different places have different practices, but generally choose an auspicious day, put red paper on the door, and then write blessings or auspicious words on it. In Chaoshan area of Guangdong Province, red paper is also considered to have the function of ward off evil spirits.