Origin (1). Yellow clouds. Ancient superstitions believed that the spirit of the son of heaven. Guan Chan in Historical Records: "The emperor met Taiyi Yunyang in the first suburb, and was recommended by the minister to sacrifice to Yu Jia. It's beautiful at night, and it's daytime, and the yellow gas dies. " Historical Records of Xiaowu: "At the beginning of the Emperor's reign, Taiyi Yunyang was in the suburbs, and there was a priest Yu Jia. It's beautiful at night, and it's daytime, and the yellow gas dies. " -Su's "Fenghe Royal Pinghu Lake": "The temple occupies a little yellow gas, and the magic soldiers leave the crimson palace. The general chased Lu, and the messenger also made peace. " Poetry Talk of Song Dynasty and Yougutang in Tianbeiji Temple: Poetry Talk records a poem written by Xu Shichuan in the early dynasty:' Huang Qi is far away in Tianbeiji, in the temple.' In view of it, it is all Du Zimei's "Jade still comes to the North Pole, and Zhu Yi is only in the temple". "

(2) Ancient superstitions believed that yellow clouds were auspicious. Tang Shen's poem "The Year of Forgiving Tianmen" said: "Liu Jia welcomes the yellow gas, and the three yuan drops the purple mud." Ming Hu Zhenheng's "Tang Yingui Qian Jian Yi": "Wang Qijing" says:' Huang Yun's four lines, the Lord forgives. "Huang Zhi gas, Huang Yun also. The canopy is like a cloud, and Liu Jia is the name of the canopy next to the star, so it is used. "

(3) beaming. Song Sushi's poem "Send Li Gongshu to the Que": "Suddenly there is yellow gas on the eyebrows, and the gentleman gradually wants to accept the arrogance of Britain." Stone note: "Han Tui's poem" Yancheng Night Drink ":Red clouds win in the city, and Huang Mei sees the return date." Feng Note: The Jade Tube Shines on the Book of God: yellow, auspicious. "Wang Kaiyun's" Yan Yu Sheng Fu ":"If the family pushes the teeth, the ceremony will never be in Tsing Yi; Maid or peep at eyebrows, don't doubt yellow. "

(4) Qi of spleen. Traditional Chinese medicine believes that "spleen is hidden and yellow in color", so it is called it. Song Sushi's Hook Book: "The spleen can nourish the mother and store surplus, so the health care experts call it Huang Po. Sima Weizi wrote "Yin Tian Zi", which teaches people to store yellow gas in mud pills alone, so that they can live forever. "