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Fu Lushou is the three immortals in Chinese folk beliefs, symbolizing happiness, auspiciousness and longevity. It is circulated in Taoism as the three auspicious gods in the sky. Fu, wearing an official hat, holding jade ruyi or holding a child as a celestial official, and God bless the people from this; Lu, holding wishful thinking means that high officials are generous (because this image has been distorted by China people and now it has become a child); Longevity, white moustache, holding and holding peaches mean longevity.
After the Ming Dynasty, people in China often combined the birthday boy with Fuxing and Lu Xing for sacrifice, which were collectively called Fuxing, Lu Xing and the birthday boy, and became the three most popular blessing gods of China people, as a symbol of good luck and wishful thinking of China people. Therefore, when China people celebrate their birthdays, they often hang Fu Lushou couplets on the main roof walls on both sides of the main hall, which are "as happy as the East China Sea and as long as the South Mountain".
The "longevity star", also known as the "Antarctic old man star", is the god of longevity. Most people think that Peng Zu, who lived a long life, became the "birthday girl" after his death. People's most intuitive impression of the "birthday girl" is that her forehead is large, and most people think that it is mostly an image shaped by ancient health preservation techniques. For example, the red-crowned crane, which was regarded as a symbol of longevity by the ancients, held its head high. In addition, some people think it is a symbol of rejuvenation, because the forehead of a baby is often more obvious because of less hair.