For thousands of years, Yuanyang has always been a beautiful symbol of husband and wife living in harmony and loving each other, and it is also the embodiment of faithful and pure love in China's literary works, which is highly respected. Lu, a great poet, wrote in "Chang 'an in Ancient Meaning": I don't envy immortals. I really admire comparing my eyes with mandarin ducks, but can't you see them? I hate to embroider lonely bears on my forehead, so that I can get double colors from the curtains. Two swallows fly around the painted beam, and Cui is covered with tulips.