In the eighteenth year of Emperor Xuanzong of Tang Dynasty, Meng Haoran was forty years old. He took the Jinshi exam that year, but he failed in Sun Shan. During their stay in Beijing, Meng Haoran and Wang Wei hit it off. Be best friends. At that time, Wang Wei worked in the palace. One day, he invited Meng Haoran into the palace privately to talk about poetry and paper. Unexpectedly, the servant came to report: "The emperor has arrived!" Meng Haoran, who had nowhere to hide, had to get under the bed. The result was discovered by Emperor Xuanzong of the Tang Dynasty, so Wang Wei had to tell the truth. Meng Haoran, who was in shock, climbed out from under the bed. Xuanzong smiled and asked him, "Meng Qing and I have heard your name for a long time. Can you recite it to make me laugh? " Meng Haoran thought about it, and then sang the famous song "Going to Zhongnanshan at the end of the year": I don't petition at Beigongmen, Nanshan goes to the house. Don't be smart. I've been ill for so long and I haven't seen any friends. The frequency of white hair is that people are getting more and more every day, and spring is coming to force them to die. Full of sadness, tossing and turning, the pine forest is empty under the moon.

Hearing this, Ming Chengzu immediately put a straight face and said, "You don't want to be an official yourself. When have I ever abandoned you? I was banished by the wise ruler because of my mistake. Aren't you dissatisfied with me? Why don't you recite the poem' A fog came out of the valley of Yun and Meng and surrounded Yueyang City'? " Xuanzong immediately ordered: "Return to Nanshan. Never be an official. "