According to traditional customs and cultural habits, patterns are generally placed on the right side of prefixes. This is because in the traditional culture of China, the right side is regarded as auspicious and peaceful, representing auspiciousness and good luck. So putting the pattern on the right side of the prefix can bring good luck and good luck. In addition, according to the actual observation, many shops and family doors are designed with patterns on the right side of the door head. The choice of this design layout is based on people's respect and belief in traditional culture.